157317707 has 2 divisors, whose sum is σ = 157317708. Its totient is φ = 157317706.

The previous prime is 157317703. The next prime is 157317731. The reversal of 157317707 is 707713751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157317707 - 2² = 157317703 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157317703) 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, 78658853 + 78658854.

It is an arithmetic number, because the mean of its divisors is an integer number (78658854).

Almost surely, 2^157317707 is an apocalyptic number.

157317707 is a deficient number, since it is larger than the sum of its proper divisors (1).

157317707 is an equidigital number, since it uses as much as digits as its factorization.

157317707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36015, while the sum is 38.

The square root of 157317707 is about 12542.6355683325. The cubic root of 157317707 is about 539.8327179604.

The spelling of 157317707 in words is "one hundred fifty-seven million, three hundred seventeen thousand, seven hundred seven".