157725076680 has 48 divisors (see below), whose sum is σ = 512606500380. Its totient is φ = 42060020352.

The previous prime is 157725076661. The next prime is 157725076681. The reversal of 157725076680 is 86670527751.

It is a happy number.

157725076680 is a `hidden beast` number, since 1 + 5 + 7 + 72 + 507 + 6 + 68 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 157448652804 + 276423876 = 396798^2 + 16626^2 .

It is not an unprimeable number, because it can be changed into a prime (157725076681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219062247 + ... + 219062966.

Almost surely, 2^157725076680 is an apocalyptic number.

157725076680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157725076680 is an abundant number, since it is smaller than the sum of its proper divisors (354881423700).

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

157725076680 is a wasteful number, since it uses less digits than its factorization.

157725076680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438125230 (or 438125223 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The spelling of 157725076680 in words is "one hundred fifty-seven billion, seven hundred twenty-five million, seventy-six thousand, six hundred eighty".