389077522988 has 72 divisors (see below), whose sum is σ = 864764223120. Its totient is φ = 151464270720.

The previous prime is 389077522969. The next prime is 389077522991. The reversal of 389077522988 is 889225770983.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2576306 + ... + 2723142.

It is an arithmetic number, because the mean of its divisors is an integer number (12010614210).

Almost surely, 2^389077522988 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 389077522988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432382111560).

389077522988 is an abundant number, since it is smaller than the sum of its proper divisors (475686700132).

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

389077522988 is a wasteful number, since it uses less digits than its factorization.

389077522988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148095 (or 148086 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 68.

The spelling of 389077522988 in words is "three hundred eighty-nine billion, seventy-seven million, five hundred twenty-two thousand, nine hundred eighty-eight".