866255082 has 32 divisors (see below), whose sum is σ = 2160013824. Its totient is φ = 225001200.

The previous prime is 866255069. The next prime is 866255107. The reversal of 866255082 is 280552668.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937044 + ... + 937967.

It is an arithmetic number, because the mean of its divisors is an integer number (67500432).

Almost surely, 2^866255082 is an apocalyptic number.

866255082 is an abundant number, since it is smaller than the sum of its proper divisors (1293758742).

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

866255082 is a wasteful number, since it uses less digits than its factorization.

866255082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875034.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 866255082 is about 29432.2116396305. The cubic root of 866255082 is about 953.2685500775.

The spelling of 866255082 in words is "eight hundred sixty-six million, two hundred fifty-five thousand, eighty-two".