79407623 has 4 divisors (see below), whose sum is σ = 79597560. Its totient is φ = 79217688.

The previous prime is 79407619. The next prime is 79407641. The reversal of 79407623 is 32670497.

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 79407623 - 2² = 79407619 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 (79407683) 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, 94340 + ... + 95177.

It is an arithmetic number, because the mean of its divisors is an integer number (19899390).

Almost surely, 2^79407623 is an apocalyptic number.

79407623 is a deficient number, since it is larger than the sum of its proper divisors (189937).

79407623 is a wasteful number, since it uses less digits than its factorization.

79407623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189936.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 79407623 is about 8911.0954994322. The cubic root of 79407623 is about 429.8207708076.

The spelling of 79407623 in words is "seventy-nine million, four hundred seven thousand, six hundred twenty-three".