79047790 has 32 divisors (see below), whose sum is σ = 158591520. Its totient is φ = 28191744.

The previous prime is 79047743. The next prime is 79047791. The reversal of 79047790 is 9774097.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79047791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9007 + ... + 15466.

It is an arithmetic number, because the mean of its divisors is an integer number (4955985).

Almost surely, 2^79047790 is an apocalyptic number.

79047790 is an abundant number, since it is smaller than the sum of its proper divisors (79543730).

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

79047790 is a wasteful number, since it uses less digits than its factorization.

79047790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24516.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 79047790 is about 8890.8824084002. The cubic root of 79047790 is about 429.1705481577.

The spelling of 79047790 in words is "seventy-nine million, forty-seven thousand, seven hundred ninety".