79860798899 has 8 divisors (see below), whose sum is σ = 91469202528. Its totient is φ = 68302324800.

The previous prime is 79860798887. The next prime is 79860798907. The reversal of 79860798899 is 99889706897.

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 79860798899 - 2²⁰ = 79859750323 is a prime.

It is a super-2 number, since 2×79860798899² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79860798839) 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, 12478952 + ... + 12485349.

It is an arithmetic number, because the mean of its divisors is an integer number (11433650316).

Almost surely, 2^79860798899 is an apocalyptic number.

79860798899 is a deficient number, since it is larger than the sum of its proper divisors (11608403629).

79860798899 is a wasteful number, since it uses less digits than its factorization.

79860798899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24964765.

The product of its (nonzero) digits is 987614208, while the sum is 80.

The spelling of 79860798899 in words is "seventy-nine billion, eight hundred sixty million, seven hundred ninety-eight thousand, eight hundred ninety-nine".