79944464 has 20 divisors (see below), whose sum is σ = 155430156. Its totient is φ = 39833472.

The previous prime is 79944463. The next prime is 79944479. The reversal of 79944464 is 46444997.

It can be written as a sum of positive squares in 2 ways, for example, as 56130064 + 23814400 = 7492^2 + 4880^2 .

It is a super-2 number, since 2×79944464² = 12782234648494592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79944461) 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, 3839 + ... + 13214.

Almost surely, 2^79944464 is an apocalyptic number.

It is an amenable number.

79944464 is a deficient number, since it is larger than the sum of its proper divisors (75485692).

79944464 is a wasteful number, since it uses less digits than its factorization.

79944464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17354 (or 17348 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 79944464 is about 8941.1668142363. The cubic root of 79944464 is about 430.7872076878.

It can be divided in two parts, 79944 and 464, that added together give a palindrome (80408).

The spelling of 79944464 in words is "seventy-nine million, nine hundred forty-four thousand, four hundred sixty-four".