79999900001 has 8 divisors (see below), whose sum is σ = 91451889600. Its totient is φ = 68553768528.

The previous prime is 79999899979. The next prime is 79999900003. The reversal of 79999900001 is 10000999997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-79999900001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79999900003) 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, 1435226 + ... + 1489923.

It is an arithmetic number, because the mean of its divisors is an integer number (11431486200).

Almost surely, 2^79999900001 is an apocalyptic number.

It is an amenable number.

79999900001 is a deficient number, since it is larger than the sum of its proper divisors (11451989599).

79999900001 is a wasteful number, since it uses less digits than its factorization.

79999900001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929063.

The product of its (nonzero) digits is 413343, while the sum is 53.

The spelling of 79999900001 in words is "seventy-nine billion, nine hundred ninety-nine million, nine hundred thousand, one".