79522943 has 4 divisors (see below), whose sum is σ = 79553688. Its totient is φ = 79492200.

The previous prime is 79522931. The next prime is 79522951. The reversal of 79522943 is 34922597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34922597 = 769 ⋅45413.

It is a cyclic number.

It is not a de Polignac number, because 79522943 - 2⁸ = 79522687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79522943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79522913) 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, 11096 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (19888422).

Almost surely, 2^79522943 is an apocalyptic number.

79522943 is a deficient number, since it is larger than the sum of its proper divisors (30745).

79522943 is a wasteful number, since it uses less digits than its factorization.

79522943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30744.

The product of its digits is 136080, while the sum is 41.

The square root of 79522943 is about 8917.5637368061. The cubic root of 79522943 is about 430.0287397413.

The spelling of 79522943 in words is "seventy-nine million, five hundred twenty-two thousand, nine hundred forty-three".