157685679888 has 160 divisors (see below), whose sum is σ = 446587845120. Its totient is φ = 47547601920.

The previous prime is 157685679881. The next prime is 157685679919. The reversal of 157685679888 is 888976586751.

It is not an unprimeable number, because it can be changed into a prime (157685679881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122331148 + ... + 122332436.

It is an arithmetic number, because the mean of its divisors is an integer number (2791174032).

Almost surely, 2^157685679888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157685679888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223293922560).

157685679888 is an abundant number, since it is smaller than the sum of its proper divisors (288902165232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157685679888 is a wasteful number, since it uses less digits than its factorization.

157685679888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277 (or 2271 counting only the distinct ones).

The product of its digits is 1625702400, while the sum is 78.

The spelling of 157685679888 in words is "one hundred fifty-seven billion, six hundred eighty-five million, six hundred seventy-nine thousand, eight hundred eighty-eight".