79983330 has 64 divisors (see below), whose sum is σ = 221184000. Its totient is φ = 18131904.

The previous prime is 79983301. The next prime is 79983353. The reversal of 79983330 is 3338997.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25171 + ... + 28169.

It is an arithmetic number, because the mean of its divisors is an integer number (3456000).

Almost surely, 2^79983330 is an apocalyptic number.

79983330 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 79983330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110592000).

79983330 is an abundant number, since it is smaller than the sum of its proper divisors (141200670).

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

79983330 is a wasteful number, since it uses less digits than its factorization.

79983330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 79983330 is about 8943.3399801193. The cubic root of 79983330 is about 430.8570072388.

The spelling of 79983330 in words is "seventy-nine million, nine hundred eighty-three thousand, three hundred thirty".