7700157 has 8 divisors (see below), whose sum is σ = 11407680. Its totient is φ = 5133420.

The previous prime is 7700131. The next prime is 7700179. The reversal of 7700157 is 7510077.

It is not a de Polignac number, because 7700157 - 2¹⁴ = 7683773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 285191 = 7700157 / (7 + 7 + 0 + 0 + 1 + 5 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 7700157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7700117) 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 in 7 ways as a sum of consecutive naturals, for example, 142569 + ... + 142622.

It is an arithmetic number, because the mean of its divisors is an integer number (1425960).

Almost surely, 2^7700157 is an apocalyptic number.

It is an amenable number.

7700157 is a deficient number, since it is larger than the sum of its proper divisors (3707523).

7700157 is a wasteful number, since it uses less digits than its factorization.

7700157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285200 (or 285194 counting only the distinct ones).

The product of its (nonzero) digits is 1715, while the sum is 27.

The square root of 7700157 is about 2774.9156743944. The cubic root of 7700157 is about 197.4694243112.

The spelling of 7700157 in words is "seven million, seven hundred thousand, one hundred fifty-seven".