79099589998 has 16 divisors (see below), whose sum is σ = 139392284976. Its totient is φ = 33188639040.

The previous prime is 79099589981. The next prime is 79099589999. The reversal of 79099589998 is 89998599097.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79099589999) 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, 138285711 + ... + 138286282.

It is an arithmetic number, because the mean of its divisors is an integer number (8712017811).

Almost surely, 2^79099589998 is an apocalyptic number.

79099589998 is a deficient number, since it is larger than the sum of its proper divisors (60292694978).

79099589998 is a wasteful number, since it uses less digits than its factorization.

79099589998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276572019.

The product of its (nonzero) digits is 1190427840, while the sum is 82.

The spelling of 79099589998 in words is "seventy-nine billion, ninety-nine million, five hundred eighty-nine thousand, nine hundred ninety-eight".