79797443 has 16 divisors (see below), whose sum is σ = 88542720. Its totient is φ = 71907880.

The previous prime is 79797437. The next prime is 79797451. The reversal of 79797443 is 34479797.

It is not a de Polignac number, because 79797443 - 2⁴ = 79797427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79797391 and 79797400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79797413) 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, 222098 + ... + 222456.

It is an arithmetic number, because the mean of its divisors is an integer number (5533920).

Almost surely, 2^79797443 is an apocalyptic number.

79797443 is a deficient number, since it is larger than the sum of its proper divisors (8745277).

79797443 is a wasteful number, since it uses less digits than its factorization.

79797443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 537 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 50.

The square root of 79797443 is about 8932.9414528474. The cubic root of 79797443 is about 430.5229674571.

The spelling of 79797443 in words is "seventy-nine million, seven hundred ninety-seven thousand, four hundred forty-three".