79885007 has 4 divisors (see below), whose sum is σ = 81584736. Its totient is φ = 78185280.

The previous prime is 79884983. The next prime is 79885019. The reversal of 79885007 is 70058897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70058897 = 23 ⋅3046039.

It is a cyclic number.

It is not a de Polignac number, because 79885007 - 2⁶ = 79884943 is a prime.

It is a super-2 number, since 2×79885007² = 12763228686780098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79885027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849794 + ... + 849887.

It is an arithmetic number, because the mean of its divisors is an integer number (20396184).

Almost surely, 2^79885007 is an apocalyptic number.

79885007 is a deficient number, since it is larger than the sum of its proper divisors (1699729).

79885007 is a wasteful number, since it uses less digits than its factorization.

79885007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699728.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 79885007 is about 8937.8412941828. The cubic root of 79885007 is about 430.6803849172.

The spelling of 79885007 in words is "seventy-nine million, eight hundred eighty-five thousand, seven".