79874927 has 4 divisors (see below), whose sum is σ = 87136296. Its totient is φ = 72613560.

The previous prime is 79874911. The next prime is 79874933. The reversal of 79874927 is 72947897.

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

It is a cyclic number.

It is not a de Polignac number, because 79874927 - 2⁴ = 79874911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79874947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630668 + ... + 3630689.

It is an arithmetic number, because the mean of its divisors is an integer number (21784074).

Almost surely, 2^79874927 is an apocalyptic number.

79874927 is a deficient number, since it is larger than the sum of its proper divisors (7261369).

79874927 is a wasteful number, since it uses less digits than its factorization.

79874927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261368.

The product of its digits is 1778112, while the sum is 53.

The square root of 79874927 is about 8937.2773818429. The cubic root of 79874927 is about 430.6622695408.

The spelling of 79874927 in words is "seventy-nine million, eight hundred seventy-four thousand, nine hundred twenty-seven".