866262942 has 12 divisors (see below), whose sum is σ = 1876903080. Its totient is φ = 288754308.

The previous prime is 866262941. The next prime is 866262967. The reversal of 866262942 is 249262668.

It is a super-2 number, since 2×866262942² = 1500822969364990728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866262941) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 24062842 + ... + 24062877.

It is an arithmetic number, because the mean of its divisors is an integer number (156408590).

Almost surely, 2^866262942 is an apocalyptic number.

866262942 is an abundant number, since it is smaller than the sum of its proper divisors (1010640138).

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

866262942 is a wasteful number, since it uses less digits than its factorization.

866262942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48125727 (or 48125724 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 866262942 is about 29432.3451665001. The cubic root of 866262942 is about 953.2714332422.

The spelling of 866262942 in words is "eight hundred sixty-six million, two hundred sixty-two thousand, nine hundred forty-two".