157979247000 has 64 divisors (see below), whose sum is σ = 492895260000. Its totient is φ = 42127798400.

The previous prime is 157979246993. The next prime is 157979247017. The reversal of 157979247000 is 742979751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26326875 + ... + 26332874.

Almost surely, 2^157979247000 is an apocalyptic number.

157979247000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157979247000 is an abundant number, since it is smaller than the sum of its proper divisors (334916013000).

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

157979247000 is a wasteful number, since it uses less digits than its factorization.

157979247000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52659773 (or 52659759 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 51.

The spelling of 157979247000 in words is "one hundred fifty-seven billion, nine hundred seventy-nine million, two hundred forty-seven thousand".