157709827636 has 12 divisors (see below), whose sum is σ = 290518103680. Its totient is φ = 74704655160.

The previous prime is 157709827633. The next prime is 157709827643. The reversal of 157709827636 is 636728907751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157709827633) 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, 1037564580 + ... + 1037564731.

Almost surely, 2^157709827636 is an apocalyptic number.

It is an amenable number.

157709827636 is a deficient number, since it is larger than the sum of its proper divisors (132808276044).

157709827636 is a wasteful number, since it uses less digits than its factorization.

157709827636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075129334 (or 2075129332 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 157709827636 in words is "one hundred fifty-seven billion, seven hundred nine million, eight hundred twenty-seven thousand, six hundred thirty-six".