8768501870661 has 32 divisors (see below), whose sum is σ = 13992218190720. Its totient is φ = 5395003857792.

The previous prime is 8768501870627. The next prime is 8768501870693. The reversal of 8768501870661 is 1660781058678.

8768501870661 is a `hidden beast` number, since 8 + 7 + 68 + 501 + 8 + 7 + 0 + 6 + 61 = 666.

It is not a de Polignac number, because 8768501870661 - 2¹⁷ = 8768501739589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8768501870621) 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, 404475 + ... + 4207208.

It is an arithmetic number, because the mean of its divisors is an integer number (437256818460).

Almost surely, 2^{8768501870661} is an apocalyptic number.

It is an amenable number.

8768501870661 is a deficient number, since it is larger than the sum of its proper divisors (5223716320059).

8768501870661 is a wasteful number, since it uses less digits than its factorization.

8768501870661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617122 (or 4617116 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The spelling of 8768501870661 in words is "eight trillion, seven hundred sixty-eight billion, five hundred one million, eight hundred seventy thousand, six hundred sixty-one".