157697897675 has 6 divisors (see below), whose sum is σ = 195545393148. Its totient is φ = 126158318120.

The previous prime is 157697897663. The next prime is 157697897677. The reversal of 157697897675 is 576798796751.

It is not a de Polignac number, because 157697897675 - 2³⁰ = 156624155851 is a prime.

It is a super-2 number, since 2×157697897675² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157697897596 and 157697897605.

It is not an unprimeable number, because it can be changed into a prime (157697897677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3153957929 + ... + 3153957978.

It is an arithmetic number, because the mean of its divisors is an integer number (32590898858).

Almost surely, 2^157697897675 is an apocalyptic number.

157697897675 is a deficient number, since it is larger than the sum of its proper divisors (37847495473).

157697897675 is an equidigital number, since it uses as much as digits as its factorization.

157697897675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307915917 (or 6307915912 counting only the distinct ones).

The product of its digits is 1400263200, while the sum is 77.

The spelling of 157697897675 in words is "one hundred fifty-seven billion, six hundred ninety-seven million, eight hundred ninety-seven thousand, six hundred seventy-five".