157087387 has 2 divisors, whose sum is σ = 157087388. Its totient is φ = 157087386.

The previous prime is 157087379. The next prime is 157087393. The reversal of 157087387 is 783780751.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157087387 - 2³ = 157087379 is a prime.

It is not a weakly prime, because it can be changed into another prime (157087367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78543693 + 78543694.

It is an arithmetic number, because the mean of its divisors is an integer number (78543694).

Almost surely, 2^157087387 is an apocalyptic number.

157087387 is a deficient number, since it is larger than the sum of its proper divisors (1).

157087387 is an equidigital number, since it uses as much as digits as its factorization.

157087387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 46.

The square root of 157087387 is about 12533.4507219680. The cubic root of 157087387 is about 539.5691430577.

The spelling of 157087387 in words is "one hundred fifty-seven million, eighty-seven thousand, three hundred eighty-seven".