79364986 has 4 divisors (see below), whose sum is σ = 119047482. Its totient is φ = 39682492.

The previous prime is 79364983. The next prime is 79365017. The reversal of 79364986 is 68946397.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 38007225 = 6431^2 + 6165^2 .

It is not an unprimeable number, because it can be changed into a prime (79364983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19841245 + ... + 19841248.

Almost surely, 2^79364986 is an apocalyptic number.

79364986 is a deficient number, since it is larger than the sum of its proper divisors (39682496).

79364986 is a wasteful number, since it uses less digits than its factorization.

79364986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39682495.

The product of its digits is 1959552, while the sum is 52.

The square root of 79364986 is about 8908.7028236439. The cubic root of 79364986 is about 429.7438279461.

The spelling of 79364986 in words is "seventy-nine million, three hundred sixty-four thousand, nine hundred eighty-six".