8509166766676 has 12 divisors (see below), whose sum is σ = 14896494457600. Its totient is φ = 4253025493080.

The previous prime is 8509166766619. The next prime is 8509166766689. The reversal of 8509166766676 is 6766676619058.

It is a hoax number, since the sum of its digits (73) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8509166766599 and 8509166766608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389460276 + ... + 389482123.

Almost surely, 2^{8509166766676} is an apocalyptic number.

It is an amenable number.

8509166766676 is a deficient number, since it is larger than the sum of its proper divisors (6387327690924).

8509166766676 is a wasteful number, since it uses less digits than its factorization.

8509166766676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778945134 (or 778945132 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 73.

The spelling of 8509166766676 in words is "eight trillion, five hundred nine billion, one hundred sixty-six million, seven hundred sixty-six thousand, six hundred seventy-six".