79424997 has 16 divisors (see below), whose sum is σ = 115320000. Its totient is φ = 48432384.

The previous prime is 79424987. The next prime is 79425001. The reversal of 79424997 is 79942497.

It is not a de Polignac number, because 79424997 - 2¹⁴ = 79408613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79424927) 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, 22372 + ... + 25677.

It is an arithmetic number, because the mean of its divisors is an integer number (7207500).

Almost surely, 2^79424997 is an apocalyptic number.

It is an amenable number.

79424997 is a deficient number, since it is larger than the sum of its proper divisors (35895003).

79424997 is a wasteful number, since it uses less digits than its factorization.

79424997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48100.

The product of its digits is 1143072, while the sum is 51.

The square root of 79424997 is about 8912.0702981967. The cubic root of 79424997 is about 429.8521160833.

The spelling of 79424997 in words is "seventy-nine million, four hundred twenty-four thousand, nine hundred ninety-seven".