7977516073612 has 12 divisors (see below), whose sum is σ = 13960763133856. Its totient is φ = 3988726606800.

The previous prime is 7977516073567. The next prime is 7977516073661. The reversal of 7977516073612 is 2163706157797.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

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, 7281723 + ... + 8305330.

Almost surely, 2^{7977516073612} is an apocalyptic number.

It is an amenable number.

7977516073612 is a deficient number, since it is larger than the sum of its proper divisors (5983247060244).

7977516073612 is a wasteful number, since it uses less digits than its factorization.

7977516073612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15715008 (or 15715006 counting only the distinct ones).

The product of its (nonzero) digits is 23337720, while the sum is 61.

The spelling of 7977516073612 in words is "seven trillion, nine hundred seventy-seven billion, five hundred sixteen million, seventy-three thousand, six hundred twelve".