79888266 has 12 divisors (see below), whose sum is σ = 173091282. Its totient is φ = 26629416.

The previous prime is 79888261. The next prime is 79888267. The reversal of 79888266 is 66288897.

It can be written as a sum of positive squares in only one way, i.e., 73462041 + 6426225 = 8571^2 + 2535^2 .

It is not an unprimeable number, because it can be changed into a prime (79888261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2219101 + ... + 2219136.

Almost surely, 2^79888266 is an apocalyptic number.

79888266 is an abundant number, since it is smaller than the sum of its proper divisors (93203016).

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

79888266 is a wasteful number, since it uses less digits than its factorization.

79888266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438245 (or 4438242 counting only the distinct ones).

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

The square root of 79888266 is about 8938.0236070398. The cubic root of 79888266 is about 430.6862415367.

The spelling of 79888266 in words is "seventy-nine million, eight hundred eighty-eight thousand, two hundred sixty-six".