79161984 has 96 divisors (see below), whose sum is σ = 248545440. Its totient is φ = 23984640.

The previous prime is 79161949. The next prime is 79162007. The reversal of 79161984 is 48916197.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9549 + ... + 15795.

It is an arithmetic number, because the mean of its divisors is an integer number (2589015).

Almost surely, 2^79161984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79161984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124272720).

79161984 is an abundant number, since it is smaller than the sum of its proper divisors (169383456).

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

79161984 is a wasteful number, since it uses less digits than its factorization.

79161984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278 (or 6263 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 79161984 is about 8897.3020629852. The cubic root of 79161984 is about 429.3771114736.

The spelling of 79161984 in words is "seventy-nine million, one hundred sixty-one thousand, nine hundred eighty-four".