79859254 has 4 divisors (see below), whose sum is σ = 119788884. Its totient is φ = 39929626.

The previous prime is 79859237. The next prime is 79859291. The reversal of 79859254 is 45295897.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 79859198 and 79859207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19964812 + ... + 19964815.

It is an arithmetic number, because the mean of its divisors is an integer number (29947221).

Almost surely, 2^79859254 is an apocalyptic number.

79859254 is a deficient number, since it is larger than the sum of its proper divisors (39929630).

79859254 is a wasteful number, since it uses less digits than its factorization.

79859254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39929629.

The product of its digits is 907200, while the sum is 49.

The square root of 79859254 is about 8936.4005057965. The cubic root of 79859254 is about 430.6340996193.

The spelling of 79859254 in words is "seventy-nine million, eight hundred fifty-nine thousand, two hundred fifty-four".