79794660 has 144 divisors (see below), whose sum is σ = 254721600. Its totient is φ = 18627840.

The previous prime is 79794647. The next prime is 79794667. The reversal of 79794660 is 6649797.

It is not an unprimeable number, because it can be changed into a prime (79794667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210351 + ... + 210729.

It is an arithmetic number, because the mean of its divisors is an integer number (1768900).

Almost surely, 2^79794660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79794660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127360800).

79794660 is an abundant number, since it is smaller than the sum of its proper divisors (174926940).

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

79794660 is a wasteful number, since it uses less digits than its factorization.

79794660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 79794660 is about 8932.7856797306. The cubic root of 79794660 is about 430.5179624540.

The spelling of 79794660 in words is "seventy-nine million, seven hundred ninety-four thousand, six hundred sixty".