866788757458460 has 24 divisors (see below), whose sum is σ = 1820435567818560. Its totient is φ = 346681374001344.

The previous prime is 866788757458457. The next prime is 866788757458483. The reversal of 866788757458460 is 64854757887668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132853119 + ... + 2133259478.

It is an arithmetic number, because the mean of its divisors is an integer number (75851481992440).

Almost surely, 2^{866788757458460} is an apocalyptic number.

It is an amenable number.

866788757458460 is an abundant number, since it is smaller than the sum of its proper divisors (953646810360100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866788757458460 is a wasteful number, since it uses less digits than its factorization.

866788757458460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266122765 (or 4266122763 counting only the distinct ones).

The product of its (nonzero) digits is 121385779200, while the sum is 89.

The spelling of 866788757458460 in words is "eight hundred sixty-six trillion, seven hundred eighty-eight billion, seven hundred fifty-seven million, four hundred fifty-eight thousand, four hundred sixty".