79808315 has 8 divisors (see below), whose sum is σ = 95843088. Its totient is φ = 63797920.

The previous prime is 79808269. The next prime is 79808317. The reversal of 79808315 is 51380897.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79808315 - 2⁸ = 79808059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79808317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2120 + ... + 12810.

It is an arithmetic number, because the mean of its divisors is an integer number (11980386).

Almost surely, 2^79808315 is an apocalyptic number.

79808315 is a deficient number, since it is larger than the sum of its proper divisors (16034773).

79808315 is a wasteful number, since it uses less digits than its factorization.

79808315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 79808315 is about 8933.5499662788. The cubic root of 79808315 is about 430.5425187651.

The spelling of 79808315 in words is "seventy-nine million, eight hundred eight thousand, three hundred fifteen".