79295747993856 has 243 divisors, whose sum is σ = 237445115716263. Its totient is φ = 26428069117440.

The previous prime is 79295747993837. The next prime is 79295747993867. The reversal of 79295747993856 is 65839974759297.

The square root of 79295747993856 is 8904816.

It is a perfect power (a square), and thus also a powerful number.

79295747993856 is a `hidden beast` number, since 7 + 9 + 2 + 9 + 57 + 479 + 9 + 3 + 85 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (243).

It is a super-2 number, since 2×79295747993856² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11540638101 + ... + 11540644971.

Almost surely, 2^{79295747993856} is an apocalyptic number.

79295747993856 is the 8904816-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79295747993856

79295747993856 is an abundant number, since it is smaller than the sum of its proper divisors (158149367722407).

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

79295747993856 is an frugal number, since it uses more digits than its factorization.

79295747993856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13782 (or 6876 counting only the distinct ones).

The product of its digits is 64812182400, while the sum is 90.

The spelling of 79295747993856 in words is "seventy-nine trillion, two hundred ninety-five billion, seven hundred forty-seven million, nine hundred ninety-three thousand, eight hundred fifty-six".