79436825 has 24 divisors (see below), whose sum is σ = 110701248. Its totient is φ = 56105280.

The previous prime is 79436821. The next prime is 79436839. The reversal of 79436825 is 52863497.

It is not a de Polignac number, because 79436825 - 2² = 79436821 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 (79436821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2162 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (4612552).

Almost surely, 2^79436825 is an apocalyptic number.

It is an amenable number.

79436825 is a deficient number, since it is larger than the sum of its proper divisors (31264423).

79436825 is a wasteful number, since it uses less digits than its factorization.

79436825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673 (or 10668 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 79436825 is about 8912.7338678993. The cubic root of 79436825 is about 429.8734529363.

The spelling of 79436825 in words is "seventy-nine million, four hundred thirty-six thousand, eight hundred twenty-five".