6626772936 has 144 divisors (see below), whose sum is σ = 20956176540. Its totient is φ = 1886250240.

The previous prime is 6626772883. The next prime is 6626772961. The reversal of 6626772936 is 6392776266.

6626772936 is a `hidden beast` number, since 6 + 626 + 7 + 7 + 2 + 9 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6334568100 + 292204836 = 79590^2 + 17094^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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, 973866 + ... + 980646.

Almost surely, 2^6626772936 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 6626772936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10478088270).

6626772936 is an abundant number, since it is smaller than the sum of its proper divisors (14329403604).

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

6626772936 is a wasteful number, since it uses less digits than its factorization.

6626772936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084 (or 7070 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The square root of 6626772936 is about 81404.9933112214. The cubic root of 6626772936 is about 1878.3104006390.

The spelling of 6626772936 in words is "six billion, six hundred twenty-six million, seven hundred seventy-two thousand, nine hundred thirty-six".