863886655376 has 20 divisors (see below), whose sum is σ = 1761874100400. Its totient is φ = 409209468192.

The previous prime is 863886655339. The next prime is 863886655391. The reversal of 863886655376 is 673556688368.

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, 1420865906 + ... + 1420866513.

It is an arithmetic number, because the mean of its divisors is an integer number (88093705020).

Almost surely, 2^863886655376 is an apocalyptic number.

It is an amenable number.

863886655376 is an abundant number, since it is smaller than the sum of its proper divisors (897987445024).

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

863886655376 is a wasteful number, since it uses less digits than its factorization.

863886655376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841732446 (or 2841732440 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 71.

The spelling of 863886655376 in words is "eight hundred sixty-three billion, eight hundred eighty-six million, six hundred fifty-five thousand, three hundred seventy-six".