866466792 has 48 divisors (see below), whose sum is σ = 2352669540. Its totient is φ = 288085248.

The previous prime is 866466781. The next prime is 866466827. The reversal of 866466792 is 297664668.

It can be written as a sum of positive squares in 2 ways, for example, as 778744836 + 87721956 = 27906^2 + 9366^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13428 + ... + 43740.

Almost surely, 2^866466792 is an apocalyptic number.

It is an amenable number.

866466792 is an abundant number, since it is smaller than the sum of its proper divisors (1486202748).

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

866466792 is a wasteful number, since it uses less digits than its factorization.

866466792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30722 (or 30715 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 866466792 is about 29435.8079895898. The cubic root of 866466792 is about 953.3462023572.

The spelling of 866466792 in words is "eight hundred sixty-six million, four hundred sixty-six thousand, seven hundred ninety-two".