79899048 has 80 divisors (see below), whose sum is σ = 236988180. Its totient is φ = 25062912.

The previous prime is 79898983. The next prime is 79899139. The reversal of 79899048 is 84099897.

It can be written as a sum of positive squares in 2 ways, for example, as 74338884 + 5560164 = 8622^2 + 2358^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 79898985 and 79899003.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 7390 + ... + 14642.

Almost surely, 2^79899048 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 79899048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118494090).

79899048 is an abundant number, since it is smaller than the sum of its proper divisors (157089132).

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

79899048 is a wasteful number, since it uses less digits than its factorization.

79899048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288 (or 7275 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 79899048 is about 8938.6267401654. The cubic root of 79899048 is about 430.7056163060.

The spelling of 79899048 in words is "seventy-nine million, eight hundred ninety-nine thousand, forty-eight".