79789950 has 72 divisors (see below), whose sum is σ = 215472816. Its totient is φ = 21168000.

The previous prime is 79789943. The next prime is 79789951. The reversal of 79789950 is 5998797.

It is a super-2 number, since 2×79789950² = 12732872242005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79789951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126135 + ... + 126765.

It is an arithmetic number, because the mean of its divisors is an integer number (2992678).

Almost surely, 2^79789950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79789950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107736408).

79789950 is an abundant number, since it is smaller than the sum of its proper divisors (135682866).

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

79789950 is a wasteful number, since it uses less digits than its factorization.

79789950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The square root of 79789950 is about 8932.5220402751. The cubic root of 79789950 is about 430.5094916303.

The spelling of 79789950 in words is "seventy-nine million, seven hundred eighty-nine thousand, nine hundred fifty".