28857315731716 has 12 divisors (see below), whose sum is σ = 52129344547840. Its totient is φ = 13963217289480.

The previous prime is 28857315731707. The next prime is 28857315731723. The reversal of 28857315731716 is 61713751375882.

It is a happy 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, 116360143956 + ... + 116360144203.

Almost surely, 2^{28857315731716} is an apocalyptic number.

It is an amenable number.

28857315731716 is a deficient number, since it is larger than the sum of its proper divisors (23272028816124).

28857315731716 is a wasteful number, since it uses less digits than its factorization.

28857315731716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232720288194 (or 232720288192 counting only the distinct ones).

The product of its digits is 59270400, while the sum is 64.

The spelling of 28857315731716 in words is "twenty-eight trillion, eight hundred fifty-seven billion, three hundred fifteen million, seven hundred thirty-one thousand, seven hundred sixteen".