866800086760587 has 32 divisors (see below), whose sum is σ = 1322427528716800. Its totient is φ = 494718595273728.

The previous prime is 866800086760561. The next prime is 866800086760607. The reversal of 866800086760587 is 785067680008668.

866800086760587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 866800086760587 - 2¹⁶ = 866800086695051 is a prime.

It is a super-2 number, since 2×866800086760587² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866800086760507) 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, 78773403 + ... + 89100219.

It is an arithmetic number, because the mean of its divisors is an integer number (41325860272400).

Almost surely, 2^{866800086760587} is an apocalyptic number.

866800086760587 is a deficient number, since it is larger than the sum of its proper divisors (455627441956213).

866800086760587 is a wasteful number, since it uses less digits than its factorization.

866800086760587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10331635.

The product of its (nonzero) digits is 1300561920, while the sum is 75.

The spelling of 866800086760587 in words is "eight hundred sixty-six trillion, eight hundred billion, eighty-six million, seven hundred sixty thousand, five hundred eighty-seven".