866952264 has 64 divisors (see below), whose sum is σ = 2322613440. Its totient is φ = 268697600.

The previous prime is 866952263. The next prime is 866952269. The reversal of 866952264 is 462259668.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (866952263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21064 + ... + 46664.

It is an arithmetic number, because the mean of its divisors is an integer number (36290835).

Almost surely, 2^866952264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866952264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161306720).

866952264 is an abundant number, since it is smaller than the sum of its proper divisors (1455661176).

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

866952264 is a wasteful number, since it uses less digits than its factorization.

866952264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25710 (or 25706 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 866952264 is about 29444.0531177350. The cubic root of 866952264 is about 953.5242189800.

The spelling of 866952264 in words is "eight hundred sixty-six million, nine hundred fifty-two thousand, two hundred sixty-four".