79813834 has 8 divisors (see below), whose sum is σ = 119839968. Its totient is φ = 39867180.

The previous prime is 79813781. The next prime is 79813897. The reversal of 79813834 is 43831897.

It is a happy number.

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

It is an unprimeable number.

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, 17292 + ... + 21415.

It is an arithmetic number, because the mean of its divisors is an integer number (14979996).

Almost surely, 2^79813834 is an apocalyptic number.

79813834 is a deficient number, since it is larger than the sum of its proper divisors (40026134).

79813834 is a wasteful number, since it uses less digits than its factorization.

79813834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39740.

The product of its digits is 145152, while the sum is 43.

The square root of 79813834 is about 8933.8588527019. The cubic root of 79813834 is about 430.5524430000.

The spelling of 79813834 in words is "seventy-nine million, eight hundred thirteen thousand, eight hundred thirty-four".