157962697 has 2 divisors, whose sum is σ = 157962698. Its totient is φ = 157962696.

The previous prime is 157962661. The next prime is 157962743. The reversal of 157962697 is 796269751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150405696 + 7557001 = 12264^2 + 2749^2 .

It is a cyclic number.

It is not a de Polignac number, because 157962697 - 2⁷ = 157962569 is a prime.

It is not a weakly prime, because it can be changed into another prime (157962097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78981348 + 78981349.

It is an arithmetic number, because the mean of its divisors is an integer number (78981349).

Almost surely, 2^157962697 is an apocalyptic number.

It is an amenable number.

157962697 is a deficient number, since it is larger than the sum of its proper divisors (1).

157962697 is an equidigital number, since it uses as much as digits as its factorization.

157962697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 52.

The square root of 157962697 is about 12568.3211687162. The cubic root of 157962697 is about 540.5694689730.

The spelling of 157962697 in words is "one hundred fifty-seven million, nine hundred sixty-two thousand, six hundred ninety-seven".