389191385088 has 480 divisors, whose sum is σ = 1270269114240. Its totient is φ = 117758361600.

The previous prime is 389191385069. The next prime is 389191385117. The reversal of 389191385088 is 880583191983.

389191385088 is a `hidden beast` number, since 3 + 8 + 9 + 1 + 91 + 38 + 508 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 588791478 + ... + 588792138.

It is an arithmetic number, because the mean of its divisors is an integer number (2646393988).

Almost surely, 2^389191385088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389191385088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635134557120).

389191385088 is an abundant number, since it is smaller than the sum of its proper divisors (881077729152).

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

389191385088 is an frugal number, since it uses more digits than its factorization.

389191385088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 389191385088 in words is "three hundred eighty-nine billion, one hundred ninety-one million, three hundred eighty-five thousand, eighty-eight".