79854442 has 8 divisors (see below), whose sum is σ = 119833956. Its totient is φ = 39909792.

The previous prime is 79854433. The next prime is 79854443. The reversal of 79854442 is 24445897.

79854442 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 2 ways, for example, as 76055841 + 3798601 = 8721^2 + 1949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (79854443) 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, 1933 + ... + 12784.

Almost surely, 2^79854442 is an apocalyptic number.

79854442 is a deficient number, since it is larger than the sum of its proper divisors (39979514).

79854442 is a wasteful number, since it uses less digits than its factorization.

79854442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17432.

The product of its digits is 322560, while the sum is 43.

The square root of 79854442 is about 8936.1312658219. The cubic root of 79854442 is about 430.6254500147.

The spelling of 79854442 in words is "seventy-nine million, eight hundred fifty-four thousand, four hundred forty-two".