7766222612 has 6 divisors (see below), whose sum is σ = 13590889578. Its totient is φ = 3883111304.

The previous prime is 7766222599. The next prime is 7766222623. The reversal of 7766222612 is 2162226677.

It can be written as a sum of positive squares in only one way, i.e., 7736257936 + 29964676 = 87956^2 + 5474^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7766222612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970777823 + ... + 970777830.

It is an arithmetic number, because the mean of its divisors is an integer number (2265148263).

Almost surely, 2^7766222612 is an apocalyptic number.

It is an amenable number.

7766222612 is a deficient number, since it is larger than the sum of its proper divisors (5824666966).

7766222612 is a wasteful number, since it uses less digits than its factorization.

7766222612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941555657 (or 1941555655 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 7766222612 is about 88126.1743865011. The cubic root of 7766222612 is about 1980.3256455173.

The spelling of 7766222612 in words is "seven billion, seven hundred sixty-six million, two hundred twenty-two thousand, six hundred twelve".