79279225 has 12 divisors (see below), whose sum is σ = 98471376. Its totient is φ = 63316880.

The previous prime is 79279201. The next prime is 79279247. The reversal of 79279225 is 52297297.

It is not a de Polignac number, because 79279225 - 2¹³ = 79271033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14754 + ... + 19396.

It is an arithmetic number, because the mean of its divisors is an integer number (8205948).

Almost surely, 2^79279225 is an apocalyptic number.

It is an amenable number.

79279225 is a deficient number, since it is larger than the sum of its proper divisors (19192151).

79279225 is a wasteful number, since it uses less digits than its factorization.

79279225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336 (or 5331 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 79279225 is about 8903.8881956143. Note that the first 3 decimals coincide. The cubic root of 79279225 is about 429.5889798810.

The spelling of 79279225 in words is "seventy-nine million, two hundred seventy-nine thousand, two hundred twenty-five".