79337665 has 32 divisors (see below), whose sum is σ = 107557632. Its totient is φ = 55680000.

The previous prime is 79337663. The next prime is 79337681. The reversal of 79337665 is 56673397.

It is not a de Polignac number, because 79337665 - 2¹ = 79337663 is a prime.

It is a Duffinian number.

Its product of digits (714420) is a multiple of the sum of its prime divisors (441).

It is not an unprimeable number, because it can be changed into a prime (79337663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340389 + ... + 340621.

It is an arithmetic number, because the mean of its divisors is an integer number (3361176).

Almost surely, 2^79337665 is an apocalyptic number.

It is an amenable number.

79337665 is a deficient number, since it is larger than the sum of its proper divisors (28219967).

79337665 is a wasteful number, since it uses less digits than its factorization.

79337665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its digits is 714420, while the sum is 46.

The square root of 79337665 is about 8907.1693034319. The cubic root of 79337665 is about 429.6945098978.

The spelling of 79337665 in words is "seventy-nine million, three hundred thirty-seven thousand, six hundred sixty-five".