77725088 has 48 divisors (see below), whose sum is σ = 185177664. Its totient is φ = 31349760.

The previous prime is 77725013. The next prime is 77725093. The reversal of 77725088 is 88052777.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6398 + ... + 14013.

It is an arithmetic number, because the mean of its divisors is an integer number (3857868).

Almost surely, 2^77725088 is an apocalyptic number.

It is an amenable number.

77725088 is an abundant number, since it is smaller than the sum of its proper divisors (107452576).

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

77725088 is a wasteful number, since it uses less digits than its factorization.

77725088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20445 (or 20437 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 44.

The square root of 77725088 is about 8816.1833011797. The cubic root of 77725088 is about 426.7633092714.

The spelling of 77725088 in words is "seventy-seven million, seven hundred twenty-five thousand, eighty-eight".