77652668922 has 32 divisors (see below), whose sum is σ = 157552439040. Its totient is φ = 25511566080.

The previous prime is 77652668879. The next prime is 77652668957. The reversal of 77652668922 is 22986625677.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65154 + ... + 399437.

It is an arithmetic number, because the mean of its divisors is an integer number (4923513720).

Almost surely, 2^77652668922 is an apocalyptic number.

77652668922 is an abundant number, since it is smaller than the sum of its proper divisors (79899770118).

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

77652668922 is a wasteful number, since it uses less digits than its factorization.

77652668922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464998.

The product of its digits is 30481920, while the sum is 60.

The spelling of 77652668922 in words is "seventy-seven billion, six hundred fifty-two million, six hundred sixty-eight thousand, nine hundred twenty-two".