76850664 has 32 divisors (see below), whose sum is σ = 209593440. Its totient is φ = 23288000.

The previous prime is 76850663. The next prime is 76850671. The reversal of 76850664 is 46605867.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (76850663) 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, 145287 + ... + 145814.

It is an arithmetic number, because the mean of its divisors is an integer number (6549795).

Almost surely, 2^76850664 is an apocalyptic number.

It is an amenable number.

76850664 is an abundant number, since it is smaller than the sum of its proper divisors (132742776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76850664 is a wasteful number, since it uses less digits than its factorization.

76850664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291121 (or 291117 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 76850664 is about 8766.4510493129. The cubic root of 76850664 is about 425.1568768036.

The spelling of 76850664 in words is "seventy-six million, eight hundred fifty thousand, six hundred sixty-four".