79429818 has 32 divisors (see below), whose sum is σ = 172065600. Its totient is φ = 24299136.

The previous prime is 79429813. The next prime is 79429837. The reversal of 79429818 is 81892497.

It is not an unprimeable number, because it can be changed into a prime (79429813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11118 + ... + 16806.

It is an arithmetic number, because the mean of its divisors is an integer number (5377050).

Almost surely, 2^79429818 is an apocalyptic number.

79429818 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

79429818 is an abundant number, since it is smaller than the sum of its proper divisors (92635782).

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

79429818 is a wasteful number, since it uses less digits than its factorization.

79429818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886.

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

The square root of 79429818 is about 8912.3407699661. The cubic root of 79429818 is about 429.8608130729.

The spelling of 79429818 in words is "seventy-nine million, four hundred twenty-nine thousand, eight hundred eighteen".