77264088 has 32 divisors (see below), whose sum is σ = 210720960. Its totient is φ = 23413280.

The previous prime is 77264081. The next prime is 77264101. The reversal of 77264088 is 88046277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77264081) 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, 146070 + ... + 146597.

It is an arithmetic number, because the mean of its divisors is an integer number (6585030).

Almost surely, 2^77264088 is an apocalyptic number.

It is an amenable number.

77264088 is an abundant number, since it is smaller than the sum of its proper divisors (133456872).

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

77264088 is a wasteful number, since it uses less digits than its factorization.

77264088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292687 (or 292683 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 77264088 is about 8789.9993174061. Note that the first 3 decimals coincide. The cubic root of 77264088 is about 425.9179016999.

The spelling of 77264088 in words is "seventy-seven million, two hundred sixty-four thousand, eighty-eight".