77232677660 has 12 divisors (see below), whose sum is σ = 162188623128. Its totient is φ = 30893071056.

The previous prime is 77232677651. The next prime is 77232677689. The reversal of 77232677660 is 6677623277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930816922 + ... + 1930816961.

It is an arithmetic number, because the mean of its divisors is an integer number (13515718594).

Almost surely, 2^77232677660 is an apocalyptic number.

It is an amenable number.

77232677660 is an abundant number, since it is smaller than the sum of its proper divisors (84955945468).

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

77232677660 is a wasteful number, since it uses less digits than its factorization.

77232677660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861633892 (or 3861633890 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 53.

The spelling of 77232677660 in words is "seventy-seven billion, two hundred thirty-two million, six hundred seventy-seven thousand, six hundred sixty".