77730263861132 has 24 divisors (see below), whose sum is σ = 137987989477296. Its totient is φ = 38305870195968.

The previous prime is 77730263861083. The next prime is 77730263861143. The reversal of 77730263861132 is 23116836203777.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92855753 + ... + 93689120.

It is an arithmetic number, because the mean of its divisors is an integer number (5749499561554).

Almost surely, 2^{77730263861132} is an apocalyptic number.

It is an amenable number.

77730263861132 is a deficient number, since it is larger than the sum of its proper divisors (60257725616164).

77730263861132 is a wasteful number, since it uses less digits than its factorization.

77730263861132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186546377 (or 186546375 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 77730263861132 in words is "seventy-seven trillion, seven hundred thirty billion, two hundred sixty-three million, eight hundred sixty-one thousand, one hundred thirty-two".