79416451 has 4 divisors (see below), whose sum is σ = 81978304. Its totient is φ = 76854600.

The previous prime is 79416439. The next prime is 79416457. The reversal of 79416451 is 15461497.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79416451 - 2¹⁷ = 79285379 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 79416451.

It is not an unprimeable number, because it can be changed into a prime (79416457) 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, 1280880 + ... + 1280941.

It is an arithmetic number, because the mean of its divisors is an integer number (20494576).

Almost surely, 2^79416451 is an apocalyptic number.

79416451 is a deficient number, since it is larger than the sum of its proper divisors (2561853).

79416451 is a wasteful number, since it uses less digits than its factorization.

79416451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561852.

The product of its digits is 30240, while the sum is 37.

The square root of 79416451 is about 8911.5908231920. The cubic root of 79416451 is about 429.8366984016.

The spelling of 79416451 in words is "seventy-nine million, four hundred sixteen thousand, four hundred fifty-one".