79885311 has 8 divisors (see below), whose sum is σ = 116196864. Its totient is φ = 48415320.

The previous prime is 79885297. The next prime is 79885313. The reversal of 79885311 is 11358897.

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

It is not a de Polignac number, because 79885311 - 2¹¹ = 79883263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79885313) 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, 1210351 + ... + 1210416.

It is an arithmetic number, because the mean of its divisors is an integer number (14524608).

Almost surely, 2^79885311 is an apocalyptic number.

79885311 is a deficient number, since it is larger than the sum of its proper divisors (36311553).

79885311 is a wasteful number, since it uses less digits than its factorization.

79885311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420781.

The product of its digits is 60480, while the sum is 42.

The square root of 79885311 is about 8937.8583005103. The cubic root of 79885311 is about 430.6809312302.

The spelling of 79885311 in words is "seventy-nine million, eight hundred eighty-five thousand, three hundred eleven".