79700436877001 has 4 divisors (see below), whose sum is σ = 81644349971604. Its totient is φ = 77756523782400.

The previous prime is 79700436876941. The next prime is 79700436877013. The reversal of 79700436877001 is 10077863400797.

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 6624883993225 + 73075552883776 = 2573885^2 + 8548424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79700436877001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79700436877301) 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, 971956547240 + ... + 971956547321.

It is an arithmetic number, because the mean of its divisors is an integer number (20411087492901).

Almost surely, 2^{79700436877001} is an apocalyptic number.

It is an amenable number.

79700436877001 is a deficient number, since it is larger than the sum of its proper divisors (1943913094603).

79700436877001 is a wasteful number, since it uses less digits than its factorization.

79700436877001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943913094602.

The product of its (nonzero) digits is 12446784, while the sum is 59.

The spelling of 79700436877001 in words is "seventy-nine trillion, seven hundred billion, four hundred thirty-six million, eight hundred seventy-seven thousand, one".