76857604 has 12 divisors (see below), whose sum is σ = 135002700. Its totient is φ = 38285408.

The previous prime is 76857593. The next prime is 76857607. The reversal of 76857604 is 40675867.

It can be written as a sum of positive squares in 2 ways, for example, as 3069504 + 73788100 = 1752^2 + 8590^2 .

It is not an unprimeable number, because it can be changed into a prime (76857607) 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, 34639 + ... + 36790.

It is an arithmetic number, because the mean of its divisors is an integer number (11250225).

Almost surely, 2^76857604 is an apocalyptic number.

It is an amenable number.

76857604 is a deficient number, since it is larger than the sum of its proper divisors (58145096).

76857604 is a wasteful number, since it uses less digits than its factorization.

76857604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71702 (or 71700 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 76857604 is about 8766.8468676030. The cubic root of 76857604 is about 425.1696743504.

The spelling of 76857604 in words is "seventy-six million, eight hundred fifty-seven thousand, six hundred four".