79331385 has 32 divisors (see below), whose sum is σ = 150071040. Its totient is φ = 35013888.

The previous prime is 79331383. The next prime is 79331389. The reversal of 79331385 is 58313397.

It is not a de Polignac number, because 79331385 - 2¹ = 79331383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79331381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9982 + ... + 16071.

It is an arithmetic number, because the mean of its divisors is an integer number (4689720).

Almost surely, 2^79331385 is an apocalyptic number.

It is an amenable number.

79331385 is a deficient number, since it is larger than the sum of its proper divisors (70739655).

79331385 is a wasteful number, since it uses less digits than its factorization.

79331385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26097.

The product of its digits is 68040, while the sum is 39.

The square root of 79331385 is about 8906.8167714397. The cubic root of 79331385 is about 429.6831720600.

The spelling of 79331385 in words is "seventy-nine million, three hundred thirty-one thousand, three hundred eighty-five".