866514882 has 32 divisors (see below), whose sum is σ = 1765779840. Its totient is φ = 283403520.

The previous prime is 866514881. The next prime is 866514919. The reversal of 866514882 is 288415668.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (866514881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157978 + ... + 163370.

It is an arithmetic number, because the mean of its divisors is an integer number (55180620).

Almost surely, 2^866514882 is an apocalyptic number.

866514882 is an abundant number, since it is smaller than the sum of its proper divisors (899264958).

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

866514882 is a wasteful number, since it uses less digits than its factorization.

866514882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898.

The product of its digits is 737280, while the sum is 48.

The square root of 866514882 is about 29436.6248404942. The cubic root of 866514882 is about 953.3638393366.

The spelling of 866514882 in words is "eight hundred sixty-six million, five hundred fourteen thousand, eight hundred eighty-two".