77313146523016 has 8 divisors (see below), whose sum is σ = 144962149730670. Its totient is φ = 38656573261504.

The previous prime is 77313146522999. The next prime is 77313146523047. The reversal of 77313146523016 is 61032564131377.

It can be written as a sum of positive squares in only one way, i.e., 76120564584100 + 1192581938916 = 8724710^2 + 1092054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832071657681 + ... + 4832071657696.

Almost surely, 2^{77313146523016} is an apocalyptic number.

It is an amenable number.

77313146523016 is a deficient number, since it is larger than the sum of its proper divisors (67649003207654).

77313146523016 is a wasteful number, since it uses less digits than its factorization.

77313146523016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664143315383 (or 9664143315379 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 77313146523016 in words is "seventy-seven trillion, three hundred thirteen billion, one hundred forty-six million, five hundred twenty-three thousand, sixteen".