79849830 has 16 divisors (see below), whose sum is σ = 191639664. Its totient is φ = 21293280.

The previous prime is 79849829. The next prime is 79849873. The reversal of 79849830 is 3894897.

It is a self number, because there is not a number n which added to its sum of digits gives 79849830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330801 + ... + 1330860.

It is an arithmetic number, because the mean of its divisors is an integer number (11977479).

Almost surely, 2^79849830 is an apocalyptic number.

79849830 is an abundant number, since it is smaller than the sum of its proper divisors (111789834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79849830 is a wasteful number, since it uses less digits than its factorization.

79849830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661671.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 79849830 is about 8935.8732085902. The cubic root of 79849830 is about 430.6171595855.

The spelling of 79849830 in words is "seventy-nine million, eight hundred forty-nine thousand, eight hundred thirty".