79881474 has 16 divisors (see below), whose sum is σ = 159938208. Its totient is φ = 26597952.

The previous prime is 79881463. The next prime is 79881497. The reversal of 79881474 is 47418897.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952 + ... + 12675.

It is an arithmetic number, because the mean of its divisors is an integer number (9996138).

Almost surely, 2^79881474 is an apocalyptic number.

79881474 is an abundant number, since it is smaller than the sum of its proper divisors (80056734).

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

79881474 is a wasteful number, since it uses less digits than its factorization.

79881474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14609.

The product of its digits is 451584, while the sum is 48.

The square root of 79881474 is about 8937.6436491952. The cubic root of 79881474 is about 430.6740357231.

The spelling of 79881474 in words is "seventy-nine million, eight hundred eighty-one thousand, four hundred seventy-four".