389958895872 has 648 divisors, whose sum is σ = 1401150913344. Its totient is φ = 102128173056.

The previous prime is 389958895853. The next prime is 389958895927. The reversal of 389958895872 is 278598859983.

389958895872 is a `hidden beast` number, since 389 + 9 + 5 + 88 + 95 + 8 + 72 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 389958895791 and 389958895800.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 471533923 + ... + 471534749.

It is an arithmetic number, because the mean of its divisors is an integer number (2162269928).

Almost surely, 2^389958895872 is an apocalyptic number.

389958895872 is a gapful number since it is divisible by the number (32) 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 389958895872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700575456672).

389958895872 is an abundant number, since it is smaller than the sum of its proper divisors (1011192017472).

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

389958895872 is a wasteful number, since it uses less digits than its factorization.

389958895872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1025 counting only the distinct ones).

The product of its digits is 3135283200, while the sum is 81.

The spelling of 389958895872 in words is "three hundred eighty-nine billion, nine hundred fifty-eight million, eight hundred ninety-five thousand, eight hundred seventy-two".