77672552608 has 24 divisors (see below), whose sum is σ = 174763243872. Its totient is φ = 33288236736.

The previous prime is 77672552599. The next prime is 77672552647. The reversal of 77672552608 is 80625527677.

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 3 ways as a sum of consecutive naturals, for example, 173376010 + ... + 173376457.

It is an arithmetic number, because the mean of its divisors is an integer number (7281801828).

Almost surely, 2^77672552608 is an apocalyptic number.

It is an amenable number.

77672552608 is an abundant number, since it is smaller than the sum of its proper divisors (97090691264).

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

77672552608 is a wasteful number, since it uses less digits than its factorization.

77672552608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346752484 (or 346752476 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 77672552608 in words is "seventy-seven billion, six hundred seventy-two million, five hundred fifty-two thousand, six hundred eight".