79886268 has 216 divisors, whose sum is σ = 268894080. Its totient is φ = 19736640.

The previous prime is 79886267. The next prime is 79886297. The reversal of 79886268 is 86268897.

79886268 is a `hidden beast` number, since 7 + 9 + 8 + 8 + 626 + 8 = 666.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79886263) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 446203 + ... + 446381.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 2^79886268 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 79886268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134447040).

79886268 is an abundant number, since it is smaller than the sum of its proper divisors (189007812).

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

79886268 is a wasteful number, since it uses less digits than its factorization.

79886268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 225 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 79886268 is about 8937.9118366652. The cubic root of 79886268 is about 430.6826510291.

The spelling of 79886268 in words is "seventy-nine million, eight hundred eighty-six thousand, two hundred sixty-eight".