389788858368 has 1344 divisors, whose sum is σ = 1523932300800. Its totient is φ = 96745881600.

The previous prime is 389788858363. The next prime is 389788858373. The reversal of 389788858368 is 863858887983.

389788858368 is a `hidden beast` number, since 389 + 7 + 88 + 85 + 83 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (389788858363) and next prime (389788858373).

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389788858363) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2581383093 + ... + 2581383243.

It is an arithmetic number, because the mean of its divisors is an integer number (1133878200).

Almost surely, 2^389788858368 is an apocalyptic number.

389788858368 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389788858368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761966150400).

389788858368 is an abundant number, since it is smaller than the sum of its proper divisors (1134143442432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389788858368 is a wasteful number, since it uses less digits than its factorization.

389788858368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 195 counting only the distinct ones).

The product of its digits is 4459069440, while the sum is 81.

The spelling of 389788858368 in words is "three hundred eighty-nine billion, seven hundred eighty-eight million, eight hundred fifty-eight thousand, three hundred sixty-eight".