8612668773 has 12 divisors (see below), whose sum is σ = 12441468780. Its totient is φ = 5741342016.

The previous prime is 8612668721. The next prime is 8612668819. The reversal of 8612668773 is 3778662168.

It can be written as a sum of positive squares in 2 ways, for example, as 7794594369 + 818074404 = 88287^2 + 28602^2 .

It is not a de Polignac number, because 8612668773 - 2³⁰ = 7538926949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8612668373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126865 + ... + 182537.

It is an arithmetic number, because the mean of its divisors is an integer number (1036789065).

Almost surely, 2^8612668773 is an apocalyptic number.

It is an amenable number.

8612668773 is a deficient number, since it is larger than the sum of its proper divisors (3828800007).

8612668773 is a wasteful number, since it uses less digits than its factorization.

8612668773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72868 (or 72865 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 8612668773 is about 92804.4652643395. The cubic root of 8612668773 is about 2049.8051587971.

The spelling of 8612668773 in words is "eight billion, six hundred twelve million, six hundred sixty-eight thousand, seven hundred seventy-three".