866882868662 has 16 divisors (see below), whose sum is σ = 1305016702080. Its totient is φ = 431878946688.

The previous prime is 866882868491. The next prime is 866882868667. The reversal of 866882868662 is 266868288668.

It is a self number, because there is not a number n which added to its sum of digits gives 866882868662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866882868667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645764 + ... + 1466552.

It is an arithmetic number, because the mean of its divisors is an integer number (81563543880).

Almost surely, 2^866882868662 is an apocalyptic number.

866882868662 is a deficient number, since it is larger than the sum of its proper divisors (438133833418).

866882868662 is a wasteful number, since it uses less digits than its factorization.

866882868662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822695.

The product of its digits is 1019215872, while the sum is 74.

The spelling of 866882868662 in words is "eight hundred sixty-six billion, eight hundred eighty-two million, eight hundred sixty-eight thousand, six hundred sixty-two".