8766786918461 has 32 divisors (see below), whose sum is σ = 10542118035456. Its totient is φ = 7185341016000.

The previous prime is 8766786918443. The next prime is 8766786918511. The reversal of 8766786918461 is 1648196876678.

It is a cyclic number.

It is not a de Polignac number, because 8766786918461 - 2¹⁸ = 8766786656317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8766786918401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2948525 + ... + 5121266.

It is an arithmetic number, because the mean of its divisors is an integer number (329441188608).

Almost surely, 2^{8766786918461} is an apocalyptic number.

It is an amenable number.

8766786918461 is a deficient number, since it is larger than the sum of its proper divisors (1775331116995).

8766786918461 is a wasteful number, since it uses less digits than its factorization.

8766786918461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069993.

The product of its digits is 1170505728, while the sum is 77.

The spelling of 8766786918461 in words is "eight trillion, seven hundred sixty-six billion, seven hundred eighty-six million, nine hundred eighteen thousand, four hundred sixty-one".