79985434 has 8 divisors (see below), whose sum is σ = 120648960. Its totient is φ = 39769116.

The previous prime is 79985431. The next prime is 79985441. The reversal of 79985434 is 43458997.

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 (79985431) 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, 111354 + ... + 112069.

It is an arithmetic number, because the mean of its divisors is an integer number (15081120).

Almost surely, 2^79985434 is an apocalyptic number.

79985434 is a deficient number, since it is larger than the sum of its proper divisors (40663526).

79985434 is a wasteful number, since it uses less digits than its factorization.

79985434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223604.

The product of its digits is 1088640, while the sum is 49.

The square root of 79985434 is about 8943.4576087775. The cubic root of 79985434 is about 430.8607851726.

The spelling of 79985434 in words is "seventy-nine million, nine hundred eighty-five thousand, four hundred thirty-four".