79549982 has 4 divisors (see below), whose sum is σ = 119324976. Its totient is φ = 39774990.

The previous prime is 79549973. The next prime is 79550027. The reversal of 79549982 is 28994597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28994597 = 523 ⋅55439.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19887494 + ... + 19887497.

It is an arithmetic number, because the mean of its divisors is an integer number (29831244).

Almost surely, 2^79549982 is an apocalyptic number.

79549982 is a deficient number, since it is larger than the sum of its proper divisors (39774994).

79549982 is a wasteful number, since it uses less digits than its factorization.

79549982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39774993.

The product of its digits is 1632960, while the sum is 53.

The square root of 79549982 is about 8919.0796610413. The cubic root of 79549982 is about 430.0774729708.

The spelling of 79549982 in words is "seventy-nine million, five hundred forty-nine thousand, nine hundred eighty-two".