15957896428 has 12 divisors (see below), whose sum is σ = 27988518600. Its totient is φ = 7961176832.

The previous prime is 15957896411. The next prime is 15957896429. The reversal of 15957896428 is 82469875951.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15957896428.

It is not an unprimeable number, because it can be changed into a prime (15957896429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4440826 + ... + 4444417.

It is an arithmetic number, because the mean of its divisors is an integer number (2332376550).

Almost surely, 2^15957896428 is an apocalyptic number.

It is an amenable number.

15957896428 is a deficient number, since it is larger than the sum of its proper divisors (12030622172).

15957896428 is a wasteful number, since it uses less digits than its factorization.

15957896428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885696 (or 8885694 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 64.

The spelling of 15957896428 in words is "fifteen billion, nine hundred fifty-seven million, eight hundred ninety-six thousand, four hundred twenty-eight".