428600031864 has 16 divisors (see below), whose sum is σ = 1071500079720. Its totient is φ = 142866677280.

The previous prime is 428600031859. The next prime is 428600031907. The reversal of 428600031864 is 468130006824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8929167307 + ... + 8929167354.

Almost surely, 2^428600031864 is an apocalyptic number.

It is an amenable number.

428600031864 is an abundant number, since it is smaller than the sum of its proper divisors (642900047856).

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

428600031864 is a wasteful number, since it uses less digits than its factorization.

428600031864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17858334670 (or 17858334666 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 428600031864 in words is "four hundred twenty-eight billion, six hundred million, thirty-one thousand, eight hundred sixty-four".