79097864 has 32 divisors (see below), whose sum is σ = 153964800. Its totient is φ = 38055360.

The previous prime is 79097861. The next prime is 79097867. The reversal of 79097864 is 46879097.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79097861) and next prime (79097867).

It is not an unprimeable number, because it can be changed into a prime (79097861) 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 7 ways as a sum of consecutive naturals, for example, 48047 + ... + 49665.

It is an arithmetic number, because the mean of its divisors is an integer number (4811400).

Almost surely, 2^79097864 is an apocalyptic number.

It is an amenable number.

79097864 is a deficient number, since it is larger than the sum of its proper divisors (74866936).

79097864 is a wasteful number, since it uses less digits than its factorization.

79097864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 79097864 is about 8893.6979935233. The cubic root of 79097864 is about 429.2611505214.

The spelling of 79097864 in words is "seventy-nine million, ninety-seven thousand, eight hundred sixty-four".