79986652 has 6 divisors (see below), whose sum is σ = 139976648. Its totient is φ = 39993324.

The previous prime is 79986629. The next prime is 79986653. The reversal of 79986652 is 25668997.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 79986652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79986653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9998328 + ... + 9998335.

Almost surely, 2^79986652 is an apocalyptic number.

It is an amenable number.

79986652 is a deficient number, since it is larger than the sum of its proper divisors (59989996).

79986652 is a wasteful number, since it uses less digits than its factorization.

79986652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19996667 (or 19996665 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 79986652 is about 8943.5257029876. The cubic root of 79986652 is about 430.8629721782.

The spelling of 79986652 in words is "seventy-nine million, nine hundred eighty-six thousand, six hundred fifty-two".