8772222766 has 16 divisors (see below), whose sum is σ = 13358422656. Its totient is φ = 4319451576.

The previous prime is 8772222757. The next prime is 8772222769. The reversal of 8772222766 is 6672222778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8772222769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661695 + ... + 674821.

It is an arithmetic number, because the mean of its divisors is an integer number (834901416).

Almost surely, 2^8772222766 is an apocalyptic number.

8772222766 is a deficient number, since it is larger than the sum of its proper divisors (4586199890).

8772222766 is a wasteful number, since it uses less digits than its factorization.

8772222766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18183.

The product of its digits is 1580544, while the sum is 49.

The square root of 8772222766 is about 93660.1450244446. The cubic root of 8772222766 is about 2062.3856771944.

The spelling of 8772222766 in words is "eight billion, seven hundred seventy-two million, two hundred twenty-two thousand, seven hundred sixty-six".