5687690157 has 20 divisors (see below), whose sum is σ = 8584029916. Its totient is φ = 3752697600.

The previous prime is 5687690149. The next prime is 5687690161. The reversal of 5687690157 is 7510967865.

5687690157 is a `hidden beast` number, since 568 + 7 + 69 + 0 + 15 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1081488996 + 4606201161 = 32886^2 + 67869^2 .

It is not a de Polignac number, because 5687690157 - 2³ = 5687690149 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 (5687690167) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 354094 + ... + 369807.

Almost surely, 2^5687690157 is an apocalyptic number.

It is an amenable number.

5687690157 is a deficient number, since it is larger than the sum of its proper divisors (2896339759).

5687690157 is an equidigital number, since it uses as much as digits as its factorization.

5687690157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724010 (or 724001 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The square root of 5687690157 is about 75416.7763630878. The cubic root of 5687690157 is about 1785.0291387094.

The spelling of 5687690157 in words is "five billion, six hundred eighty-seven million, six hundred ninety thousand, one hundred fifty-seven".