428859157924 has 12 divisors (see below), whose sum is σ = 770787405724. Its totient is φ = 208634184864.

The previous prime is 428859157921. The next prime is 428859157943. The reversal of 428859157924 is 429751958824.

It can be written as a sum of positive squares in 2 ways, for example, as 332778996900 + 96080161024 = 576870^2 + 309968^2 .

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (428859157921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448848359 + ... + 1448848654.

Almost surely, 2^428859157924 is an apocalyptic number.

It is an amenable number.

428859157924 is a deficient number, since it is larger than the sum of its proper divisors (341928247800).

428859157924 is a wasteful number, since it uses less digits than its factorization.

428859157924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897697054 (or 2897697052 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 64.

The spelling of 428859157924 in words is "four hundred twenty-eight billion, eight hundred fifty-nine million, one hundred fifty-seven thousand, nine hundred twenty-four".