157687500806 has 24 divisors (see below), whose sum is σ = 263279926560. Its totient is φ = 70768835280.

The previous prime is 157687500799. The next prime is 157687500811. The reversal of 157687500806 is 608005786751.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4104941 + ... + 4143176.

It is an arithmetic number, because the mean of its divisors is an integer number (10969996940).

Almost surely, 2^157687500806 is an apocalyptic number.

157687500806 is a deficient number, since it is larger than the sum of its proper divisors (105592425754).

157687500806 is a wasteful number, since it uses less digits than its factorization.

157687500806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248220 (or 8248209 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 157687500806 in words is "one hundred fifty-seven billion, six hundred eighty-seven million, five hundred thousand, eight hundred six".