79924449 has 16 divisors (see below), whose sum is σ = 116527104. Its totient is φ = 48325200.

The previous prime is 79924447. The next prime is 79924499. The reversal of 79924449 is 94442997.

It is not a de Polignac number, because 79924449 - 2¹ = 79924447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79924398 and 79924407.

It is not an unprimeable number, because it can be changed into a prime (79924441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12664 + ... + 17894.

It is an arithmetic number, because the mean of its divisors is an integer number (7282944).

Almost surely, 2^79924449 is an apocalyptic number.

It is an amenable number.

79924449 is a deficient number, since it is larger than the sum of its proper divisors (36602655).

79924449 is a wasteful number, since it uses less digits than its factorization.

79924449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708.

The product of its digits is 653184, while the sum is 48.

The square root of 79924449 is about 8940.0474830954. The cubic root of 79924449 is about 430.7512538719.

The spelling of 79924449 in words is "seventy-nine million, nine hundred twenty-four thousand, four hundred forty-nine".