157970399375 has 10 divisors (see below), whose sum is σ = 197399811840. Its totient is φ = 126376319000.

The previous prime is 157970399357. The next prime is 157970399381. The reversal of 157970399375 is 573993079751.

It is not a de Polignac number, because 157970399375 - 2²² = 157966205071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 126375695 + ... + 126376944.

It is an arithmetic number, because the mean of its divisors is an integer number (19739981184).

Almost surely, 2^157970399375 is an apocalyptic number.

157970399375 is a deficient number, since it is larger than the sum of its proper divisors (39429412465).

157970399375 is an frugal number, since it uses more digits than its factorization.

157970399375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252752659 (or 252752644 counting only the distinct ones).

The product of its (nonzero) digits is 56260575, while the sum is 65.

The spelling of 157970399375 in words is "one hundred fifty-seven billion, nine hundred seventy million, three hundred ninety-nine thousand, three hundred seventy-five".