79894357 has 4 divisors (see below), whose sum is σ = 79921600. Its totient is φ = 79867116.

The previous prime is 79894349. The next prime is 79894369. The reversal of 79894357 is 75349897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79894357 - 2³ = 79894349 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 (79894307) 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, 8607 + ... + 15292.

It is an arithmetic number, because the mean of its divisors is an integer number (19980400).

Almost surely, 2^79894357 is an apocalyptic number.

It is an amenable number.

79894357 is a deficient number, since it is larger than the sum of its proper divisors (27243).

79894357 is a wasteful number, since it uses less digits than its factorization.

79894357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27242.

The product of its digits is 1905120, while the sum is 52.

The square root of 79894357 is about 8938.3643358279. The cubic root of 79894357 is about 430.6971870041.

The spelling of 79894357 in words is "seventy-nine million, eight hundred ninety-four thousand, three hundred fifty-seven".