79944853 has 4 divisors (see below), whose sum is σ = 80908128. Its totient is φ = 78981580.

The previous prime is 79944847. The next prime is 79944883. The reversal of 79944853 is 35844997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35844997 = 463 ⋅77419.

It is a cyclic number.

It is not a de Polignac number, because 79944853 - 2¹⁷ = 79813781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79944797 and 79944806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79944883) 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, 481513 + ... + 481678.

It is an arithmetic number, because the mean of its divisors is an integer number (20227032).

Almost surely, 2^79944853 is an apocalyptic number.

It is an amenable number.

79944853 is a deficient number, since it is larger than the sum of its proper divisors (963275).

79944853 is an equidigital number, since it uses as much as digits as its factorization.

79944853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963274.

The product of its digits is 1088640, while the sum is 49.

The square root of 79944853 is about 8941.1885675228. The cubic root of 79944853 is about 430.7879064059.

The spelling of 79944853 in words is "seventy-nine million, nine hundred forty-four thousand, eight hundred fifty-three".