79954423 has 4 divisors (see below), whose sum is σ = 80433360. Its totient is φ = 79475488.

The previous prime is 79954411. The next prime is 79954429. The reversal of 79954423 is 32445997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32445997 = 4703 ⋅6899.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79954423 is a prime.

It is a super-3 number, since 3×79954423³ (a number of 25 digits) contains 333 as substring.

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 79954423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79954429) 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, 239218 + ... + 239551.

It is an arithmetic number, because the mean of its divisors is an integer number (20108340).

Almost surely, 2^79954423 is an apocalyptic number.

79954423 is a deficient number, since it is larger than the sum of its proper divisors (478937).

79954423 is a wasteful number, since it uses less digits than its factorization.

79954423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478936.

The product of its digits is 272160, while the sum is 43.

The square root of 79954423 is about 8941.7237152576. The cubic root of 79954423 is about 430.8050952372.

The spelling of 79954423 in words is "seventy-nine million, nine hundred fifty-four thousand, four hundred twenty-three".