79198842 has 16 divisors (see below), whose sum is σ = 158681952. Its totient is φ = 26352240.

The previous prime is 79198841. The next prime is 79198853. The reversal of 79198842 is 24889197.

It is a junction number, because it is equal to n+sod(n) for n = 79198791 and 79198800.

It is not an unprimeable number, because it can be changed into a prime (79198841) 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, 8133 + ... + 14984.

It is an arithmetic number, because the mean of its divisors is an integer number (9917622).

Almost surely, 2^79198842 is an apocalyptic number.

79198842 is an abundant number, since it is smaller than the sum of its proper divisors (79483110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79198842 is a wasteful number, since it uses less digits than its factorization.

79198842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23693.

The product of its digits is 290304, while the sum is 48.

The square root of 79198842 is about 8899.3731239903. The cubic root of 79198842 is about 429.4437407874.

It can be divided in two parts, 7919 and 8842, that added together give a palindrome (16761).

The spelling of 79198842 in words is "seventy-nine million, one hundred ninety-eight thousand, eight hundred forty-two".