79684844 has 6 divisors (see below), whose sum is σ = 139448484. Its totient is φ = 39842420.

The previous prime is 79684823. The next prime is 79684861. The reversal of 79684844 is 44848697.

It is a junction number, because it is equal to n+sod(n) for n = 79684792 and 79684801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9960602 + ... + 9960609.

It is an arithmetic number, because the mean of its divisors is an integer number (23241414).

Almost surely, 2^79684844 is an apocalyptic number.

It is an amenable number.

79684844 is a deficient number, since it is larger than the sum of its proper divisors (59763640).

79684844 is a wasteful number, since it uses less digits than its factorization.

79684844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19921215 (or 19921213 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 79684844 is about 8926.6367686828. The cubic root of 79684844 is about 430.3203741879.

The spelling of 79684844 in words is "seventy-nine million, six hundred eighty-four thousand, eight hundred forty-four".