389247476688 has 120 divisors (see below), whose sum is σ = 1245105576000. Its totient is φ = 111201818112.

The previous prime is 389247476623. The next prime is 389247476693. The reversal of 389247476688 is 886674742983.

389247476688 is a `hidden beast` number, since 3 + 8 + 9 + 2 + 474 + 76 + 6 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 15045588 + ... + 15071436.

It is an arithmetic number, because the mean of its divisors is an integer number (10375879800).

Almost surely, 2^389247476688 is an apocalyptic number.

It is an amenable number.

389247476688 is an abundant number, since it is smaller than the sum of its proper divisors (855858099312).

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

389247476688 is a wasteful number, since it uses less digits than its factorization.

389247476688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40809 (or 40800 counting only the distinct ones).

The product of its digits is 780337152, while the sum is 72.

The spelling of 389247476688 in words is "three hundred eighty-nine billion, two hundred forty-seven million, four hundred seventy-six thousand, six hundred eighty-eight".