157904667 has 8 divisors (see below), whose sum is σ = 233932880. Its totient is φ = 105269760.

The previous prime is 157904629. The next prime is 157904707. The reversal of 157904667 is 766409751.

It is a happy number.

It is not a de Polignac number, because 157904667 - 2⁶ = 157904603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157904167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2924134 + ... + 2924187.

It is an arithmetic number, because the mean of its divisors is an integer number (29241610).

Almost surely, 2^157904667 is an apocalyptic number.

157904667 is a deficient number, since it is larger than the sum of its proper divisors (76028213).

157904667 is an equidigital number, since it uses as much as digits as its factorization.

157904667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5848330 (or 5848324 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 157904667 is about 12566.0123746557. The cubic root of 157904667 is about 540.5032653925.

The spelling of 157904667 in words is "one hundred fifty-seven million, nine hundred four thousand, six hundred sixty-seven".