79413893 has 4 divisors (see below), whose sum is σ = 85522668. Its totient is φ = 73305120.

The previous prime is 79413883. The next prime is 79413923. The reversal of 79413893 is 39831497.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23493409 + 55920484 = 4847^2 + 7478^2 .

It is a cyclic number.

It is not a de Polignac number, because 79413893 - 2⁸ = 79413637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79413883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3054368 + ... + 3054393.

It is an arithmetic number, because the mean of its divisors is an integer number (21380667).

Almost surely, 2^79413893 is an apocalyptic number.

It is an amenable number.

79413893 is a deficient number, since it is larger than the sum of its proper divisors (6108775).

79413893 is a wasteful number, since it uses less digits than its factorization.

79413893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108774.

The product of its digits is 163296, while the sum is 44.

The square root of 79413893 is about 8911.4473010842. The cubic root of 79413893 is about 429.8320833458.

The spelling of 79413893 in words is "seventy-nine million, four hundred thirteen thousand, eight hundred ninety-three".