7975497312 has 72 divisors (see below), whose sum is σ = 22691594016. Its totient is φ = 2657177856.

The previous prime is 7975497289. The next prime is 7975497359. The reversal of 7975497312 is 2137945797.

7975497312 is a `hidden beast` number, since 7 + 97 + 549 + 7 + 3 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699078 + ... + 710394.

It is an arithmetic number, because the mean of its divisors is an integer number (315161028).

Almost surely, 2^7975497312 is an apocalyptic number.

7975497312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7975497312 is an abundant number, since it is smaller than the sum of its proper divisors (14716096704).

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

7975497312 is a wasteful number, since it uses less digits than its factorization.

7975497312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780 (or 13769 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The square root of 7975497312 is about 89305.6398666960. The cubic root of 7975497312 is about 1997.9560211201.

The spelling of 7975497312 in words is "seven billion, nine hundred seventy-five million, four hundred ninety-seven thousand, three hundred twelve".