866788524484432 has 40 divisors (see below), whose sum is σ = 1840291331316480. Its totient is φ = 392227991086080.

The previous prime is 866788524484411. The next prime is 866788524484469. The reversal of 866788524484432 is 234484425887668.

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, 11042415457 + ... + 11042493952.

It is an arithmetic number, because the mean of its divisors is an integer number (46007283282912).

Almost surely, 2^{866788524484432} is an apocalyptic number.

It is an amenable number.

866788524484432 is an abundant number, since it is smaller than the sum of its proper divisors (973502806832048).

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

866788524484432 is a wasteful number, since it uses less digits than its factorization.

866788524484432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22084909651 (or 22084909645 counting only the distinct ones).

The product of its digits is 15854469120, while the sum is 79.

The spelling of 866788524484432 in words is "eight hundred sixty-six trillion, seven hundred eighty-eight billion, five hundred twenty-four million, four hundred eighty-four thousand, four hundred thirty-two".