157278607264 has 24 divisors (see below), whose sum is σ = 314718364548. Its totient is φ = 77350133760.

The previous prime is 157278607127. The next prime is 157278607349. The reversal of 157278607264 is 462706872751.

It can be written as a sum of positive squares in 2 ways, for example, as 109627210000 + 47651397264 = 331100^2 + 218292^2 .

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, 40284577 + ... + 40288480.

Almost surely, 2^157278607264 is an apocalyptic number.

It is an amenable number.

157278607264 is an abundant number, since it is smaller than the sum of its proper divisors (157439757284).

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

157278607264 is an equidigital number, since it uses as much as digits as its factorization.

157278607264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80573128 (or 80573120 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 157278607264 in words is "one hundred fifty-seven billion, two hundred seventy-eight million, six hundred seven thousand, two hundred sixty-four".