157734476964 has 81 divisors (see below), whose sum is σ = 410014293507. Its totient is φ = 51128532288.

The previous prime is 157734476941. The next prime is 157734477029. The reversal of 157734476964 is 469674437751.

It is a happy number.

The square root of 157734476964 is 397158.

It is a perfect power (a square), and thus also a powerful number.

157734476964 is a `hidden beast` number, since 1 + 5 + 7 + 73 + 4 + 476 + 96 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 112191502500 + 45542974464 = 334950^2 + 213408^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 88168182 + ... + 88169970.

Almost surely, 2^157734476964 is an apocalyptic number.

157734476964 is the 397158-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157734476964

157734476964 is an abundant number, since it is smaller than the sum of its proper divisors (252279816543).

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

157734476964 is an equidigital number, since it uses as much as digits as its factorization.

157734476964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662 (or 1831 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 63.

The spelling of 157734476964 in words is "one hundred fifty-seven billion, seven hundred thirty-four million, four hundred seventy-six thousand, nine hundred sixty-four".