866264862 has 16 divisors (see below), whose sum is σ = 1754461440. Its totient is φ = 285099672.

The previous prime is 866264827. The next prime is 866264923. The reversal of 866264862 is 268462668.

866264862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×866264862² = 1500829622271758088, which contains 22 as substring.

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, 913308 + ... + 914255.

It is an arithmetic number, because the mean of its divisors is an integer number (109653840).

Almost surely, 2^866264862 is an apocalyptic number.

866264862 is an abundant number, since it is smaller than the sum of its proper divisors (888196578).

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

866264862 is a wasteful number, since it uses less digits than its factorization.

866264862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827647.

The product of its digits is 1327104, while the sum is 48.

The square root of 866264862 is about 29432.3777836586. The cubic root of 866264862 is about 953.2721375240.

The spelling of 866264862 in words is "eight hundred sixty-six million, two hundred sixty-four thousand, eight hundred sixty-two".