157687852039 has 2 divisors, whose sum is σ = 157687852040. Its totient is φ = 157687852038.

The previous prime is 157687852033. The next prime is 157687852109. The reversal of 157687852039 is 930258786751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157687852039 - 2⁹ = 157687851527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157687852033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78843926019 + 78843926020.

It is an arithmetic number, because the mean of its divisors is an integer number (78843926020).

Almost surely, 2^157687852039 is an apocalyptic number.

157687852039 is a deficient number, since it is larger than the sum of its proper divisors (1).

157687852039 is an equidigital number, since it uses as much as digits as its factorization.

157687852039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 61.

The spelling of 157687852039 in words is "one hundred fifty-seven billion, six hundred eighty-seven million, eight hundred fifty-two thousand, thirty-nine".