79387017 has 8 divisors (see below), whose sum is σ = 107340480. Its totient is φ = 52179120.

The previous prime is 79387013. The next prime is 79387039. The reversal of 79387017 is 71078397.

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 79387017 - 2² = 79387013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79387017.

It is not an unprimeable number, because it can be changed into a prime (79387013) 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, 186142 + ... + 186567.

It is an arithmetic number, because the mean of its divisors is an integer number (13417560).

Almost surely, 2^79387017 is an apocalyptic number.

It is an amenable number.

79387017 is a deficient number, since it is larger than the sum of its proper divisors (27953463).

79387017 is a wasteful number, since it uses less digits than its factorization.

79387017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372783.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 79387017 is about 8909.9392253820. The cubic root of 79387017 is about 429.7835885964.

The spelling of 79387017 in words is "seventy-nine million, three hundred eighty-seven thousand, seventeen".