79666325 has 12 divisors (see below), whose sum is σ = 99111588. Its totient is φ = 63523200.

The previous prime is 79666313. The next prime is 79666333. The reversal of 79666325 is 52366697.

It can be written as a sum of positive squares in 6 ways, for example, as 14799409 + 64866916 = 3847^2 + 8054^2 .

It is not a de Polignac number, because 79666325 - 2⁴ = 79666309 is a prime.

It is a Duffinian number.

It is a congruent 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, 2735 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (8259299).

Almost surely, 2^79666325 is an apocalyptic number.

It is an amenable number.

79666325 is a deficient number, since it is larger than the sum of its proper divisors (19445263).

79666325 is a wasteful number, since it uses less digits than its factorization.

79666325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10504 (or 10499 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 79666325 is about 8925.5994196468. The cubic root of 79666325 is about 430.2870356840.

The spelling of 79666325 in words is "seventy-nine million, six hundred sixty-six thousand, three hundred twenty-five".