907631157 has 4 divisors (see below), whose sum is σ = 1210174880. Its totient is φ = 605087436.

The previous prime is 907631149. The next prime is 907631177. The reversal of 907631157 is 751136709.

907631157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 907631157 - 2³ = 907631149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (907631117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151271857 + ... + 151271862.

It is an arithmetic number, because the mean of its divisors is an integer number (302543720).

Almost surely, 2^907631157 is an apocalyptic number.

It is an amenable number.

907631157 is a deficient number, since it is larger than the sum of its proper divisors (302543723).

907631157 is a wasteful number, since it uses less digits than its factorization.

907631157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302543722.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 907631157 is about 30126.9174825437. The cubic root of 907631157 is about 968.2105233467.

The spelling of 907631157 in words is "nine hundred seven million, six hundred thirty-one thousand, one hundred fifty-seven".