157717796 has 12 divisors (see below), whose sum is σ = 277213020. Its totient is φ = 78514080.

The previous prime is 157717793. The next prime is 157717837. The reversal of 157717796 is 697717751.

It can be written as a sum of positive squares in 2 ways, for example, as 143760100 + 13957696 = 11990^2 + 3736^2 .

It is not an unprimeable number, because it can be changed into a prime (157717793) 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, 85175 + ... + 87006.

It is an arithmetic number, because the mean of its divisors is an integer number (23101085).

Almost surely, 2^157717796 is an apocalyptic number.

It is an amenable number.

157717796 is a deficient number, since it is larger than the sum of its proper divisors (119495224).

157717796 is a wasteful number, since it uses less digits than its factorization.

157717796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172414 (or 172412 counting only the distinct ones).

The product of its digits is 648270, while the sum is 50.

The square root of 157717796 is about 12558.5746006464. The cubic root of 157717796 is about 540.2899631553.

The spelling of 157717796 in words is "one hundred fifty-seven million, seven hundred seventeen thousand, seven hundred ninety-six".