79309048 has 96 divisors (see below), whose sum is σ = 189604800. Its totient is φ = 30820608.

The previous prime is 79308989. The next prime is 79309051. The reversal of 79309048 is 84090397.

It is a self number, because there is not a number n which added to its sum of digits gives 79309048.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 402486 + ... + 402682.

It is an arithmetic number, because the mean of its divisors is an integer number (1975050).

Almost surely, 2^79309048 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 79309048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94802400).

79309048 is an abundant number, since it is smaller than the sum of its proper divisors (110295752).

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

79309048 is a wasteful number, since it uses less digits than its factorization.

79309048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 79309048 is about 8905.5627559408. The cubic root of 79309048 is about 429.6428402545.

The spelling of 79309048 in words is "seventy-nine million, three hundred nine thousand, forty-eight".