79984086 has 64 divisors (see below), whose sum is σ = 197987328. Its totient is φ = 20976768.

The previous prime is 79984063. The next prime is 79984097. The reversal of 79984086 is 68048997.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143320 + ... + 143876.

It is an arithmetic number, because the mean of its divisors is an integer number (3093552).

Almost surely, 2^79984086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79984086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98993664).

79984086 is an abundant number, since it is smaller than the sum of its proper divisors (118003242).

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

79984086 is a wasteful number, since it uses less digits than its factorization.

79984086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 79984086 is about 8943.3822461080. The cubic root of 79984086 is about 430.8583647169.

The spelling of 79984086 in words is "seventy-nine million, nine hundred eighty-four thousand, eighty-six".