79100469991 has 8 divisors (see below), whose sum is σ = 84267266544. Its totient is φ = 73990765440.

The previous prime is 79100469983. The next prime is 79100470019. The reversal of 79100469991 is 19996400197.

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

It is a cyclic number.

It is not a de Polignac number, because 79100469991 - 2³ = 79100469983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79100469691) 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, 14270140 + ... + 14275681.

It is an arithmetic number, because the mean of its divisors is an integer number (10533408318).

Almost surely, 2^79100469991 is an apocalyptic number.

79100469991 is a deficient number, since it is larger than the sum of its proper divisors (5166796553).

79100469991 is a wasteful number, since it uses less digits than its factorization.

79100469991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28546001.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 79100469991 in words is "seventy-nine billion, one hundred million, four hundred sixty-nine thousand, nine hundred ninety-one".