7957693268512 has 48 divisors (see below), whose sum is σ = 16872124516632. Its totient is φ = 3672719585280.

The previous prime is 7957693268467. The next prime is 7957693268513. The reversal of 7957693268512 is 2158623967597.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4370290594576 + 3587402673936 = 2090524^2 + 1894044^2 .

It is not an unprimeable number, because it can be changed into a prime (7957693268513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32467768 + ... + 32711944.

Almost surely, 2^{7957693268512} is an apocalyptic number.

It is an amenable number.

7957693268512 is an abundant number, since it is smaller than the sum of its proper divisors (8914431248120).

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

7957693268512 is a wasteful number, since it uses less digits than its factorization.

7957693268512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322541 (or 322533 counting only the distinct ones).

The product of its digits is 342921600, while the sum is 70.

The spelling of 7957693268512 in words is "seven trillion, nine hundred fifty-seven billion, six hundred ninety-three million, two hundred sixty-eight thousand, five hundred twelve".