157882507 has 2 divisors, whose sum is σ = 157882508. Its totient is φ = 157882506.

The previous prime is 157882489. The next prime is 157882531. The reversal of 157882507 is 705288751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157882507 - 2²³ = 149493899 is a prime.

It is not a weakly prime, because it can be changed into another prime (157882007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78941253 + 78941254.

It is an arithmetic number, because the mean of its divisors is an integer number (78941254).

Almost surely, 2^157882507 is an apocalyptic number.

157882507 is a deficient number, since it is larger than the sum of its proper divisors (1).

157882507 is an equidigital number, since it uses as much as digits as its factorization.

157882507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156800, while the sum is 43.

The square root of 157882507 is about 12565.1306001967. The cubic root of 157882507 is about 540.4779798559.

The spelling of 157882507 in words is "one hundred fifty-seven million, eight hundred eighty-two thousand, five hundred seven".