79278925 has 24 divisors (see below), whose sum is σ = 112894560. Its totient is φ = 54619200.

The previous prime is 79278923. The next prime is 79278959. The reversal of 79278925 is 52987297.

It is not a de Polignac number, because 79278925 - 2¹ = 79278923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79278923) 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, 2362 + ... + 12811.

It is an arithmetic number, because the mean of its divisors is an integer number (4703940).

Almost surely, 2^79278925 is an apocalyptic number.

It is an amenable number.

79278925 is a deficient number, since it is larger than the sum of its proper divisors (33615635).

79278925 is a wasteful number, since it uses less digits than its factorization.

79278925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15213 (or 15208 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 79278925 is about 8903.8713490257. The cubic root of 79278925 is about 429.5884380121.

The spelling of 79278925 in words is "seventy-nine million, two hundred seventy-eight thousand, nine hundred twenty-five".