79844949 has 6 divisors (see below), whose sum is σ = 115331606. Its totient is φ = 53229960.

The previous prime is 79844923. The next prime is 79844951. The reversal of 79844949 is 94944897.

It is a happy number.

79844949 is a `hidden beast` number, since 79 + 84 + 494 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 77316849 + 2528100 = 8793^2 + 1590^2 .

It is not a de Polignac number, because 79844949 - 2⁸ = 79844693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79844895 and 79844904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79844449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4435822 + ... + 4435839.

Almost surely, 2^79844949 is an apocalyptic number.

It is an amenable number.

79844949 is a deficient number, since it is larger than the sum of its proper divisors (35486657).

79844949 is a wasteful number, since it uses less digits than its factorization.

79844949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871667 (or 8871664 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 79844949 is about 8935.6000917678. The cubic root of 79844949 is about 430.6083852600.

The spelling of 79844949 in words is "seventy-nine million, eight hundred forty-four thousand, nine hundred forty-nine".