7986317392648 has 64 divisors (see below), whose sum is σ = 17148586216320. Its totient is φ = 3415704076800.

The previous prime is 7986317392583. The next prime is 7986317392699. The reversal of 7986317392648 is 8462937136897.

It is a super-2 number, since 2×7986317392648² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60726403 + ... + 60857773.

It is an arithmetic number, because the mean of its divisors is an integer number (267946659630).

Almost surely, 2^{7986317392648} is an apocalyptic number.

It is an amenable number.

7986317392648 is an abundant number, since it is smaller than the sum of its proper divisors (9162268823672).

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

7986317392648 is a wasteful number, since it uses less digits than its factorization.

7986317392648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133598 (or 133594 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 73.

The spelling of 7986317392648 in words is "seven trillion, nine hundred eighty-six billion, three hundred seventeen million, three hundred ninety-two thousand, six hundred forty-eight".