157687852071 has 4 divisors (see below), whose sum is σ = 210250469432. Its totient is φ = 105125234712.

The previous prime is 157687852039. The next prime is 157687852109. The reversal of 157687852071 is 170258786751.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 157687852071 - 2⁵ = 157687852039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157687852471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26281308676 + ... + 26281308681.

It is an arithmetic number, because the mean of its divisors is an integer number (52562617358).

Almost surely, 2^157687852071 is an apocalyptic number.

157687852071 is a deficient number, since it is larger than the sum of its proper divisors (52562617361).

157687852071 is an equidigital number, since it uses as much as digits as its factorization.

157687852071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52562617360.

The product of its (nonzero) digits is 6585600, while the sum is 57.

The spelling of 157687852071 in words is "one hundred fifty-seven billion, six hundred eighty-seven million, eight hundred fifty-two thousand, seventy-one".