79996975240001 has 4 divisors (see below), whose sum is σ = 81948120977604. Its totient is φ = 78045829502400.

The previous prime is 79996975239949. The next prime is 79996975240009. The reversal of 79996975240001 is 10004257969997.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20080938342976 + 59916036897025 = 4481176^2 + 7740545^2 .

It is a cyclic number.

It is not a de Polignac number, because 79996975240001 - 2¹⁴ = 79996975223617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79996975240009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975572868740 + ... + 975572868821.

It is an arithmetic number, because the mean of its divisors is an integer number (20487030244401).

Almost surely, 2^{79996975240001} is an apocalyptic number.

It is an amenable number.

79996975240001 is a deficient number, since it is larger than the sum of its proper divisors (1951145737603).

79996975240001 is a wasteful number, since it uses less digits than its factorization.

79996975240001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951145737602.

The product of its (nonzero) digits is 77157360, while the sum is 68.

The spelling of 79996975240001 in words is "seventy-nine trillion, nine hundred ninety-six billion, nine hundred seventy-five million, two hundred forty thousand, one".