866742332 has 24 divisors (see below), whose sum is σ = 1544348400. Its totient is φ = 425517696.

The previous prime is 866742319. The next prime is 866742389. The reversal of 866742332 is 233247668.

866742332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 866742332.

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, 264818 + ... + 268070.

It is an arithmetic number, because the mean of its divisors is an integer number (64347850).

Almost surely, 2^866742332 is an apocalyptic number.

It is an amenable number.

866742332 is a deficient number, since it is larger than the sum of its proper divisors (677606068).

866742332 is a wasteful number, since it uses less digits than its factorization.

866742332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445 (or 4443 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 866742332 is about 29440.4879714994. The cubic root of 866742332 is about 953.4472476502.

The spelling of 866742332 in words is "eight hundred sixty-six million, seven hundred forty-two thousand, three hundred thirty-two".