157157587 has 2 divisors, whose sum is σ = 157157588. Its totient is φ = 157157586.

The previous prime is 157157579. The next prime is 157157593. The reversal of 157157587 is 785751751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157157587 - 2³ = 157157579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157157087) 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, 78578793 + 78578794.

It is an arithmetic number, because the mean of its divisors is an integer number (78578794).

Almost surely, 2^157157587 is an apocalyptic number.

157157587 is a deficient number, since it is larger than the sum of its proper divisors (1).

157157587 is an equidigital number, since it uses as much as digits as its factorization.

157157587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 343000, while the sum is 46.

The square root of 157157587 is about 12536.2509148469. The cubic root of 157157587 is about 539.6495062102.

The spelling of 157157587 in words is "one hundred fifty-seven million, one hundred fifty-seven thousand, five hundred eighty-seven".