866874006 has 24 divisors (see below), whose sum is σ = 1906262904. Its totient is φ = 284644800.

The previous prime is 866873981. The next prime is 866874053. The reversal of 866874006 is 600478668.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 358195 + ... + 360606.

It is an arithmetic number, because the mean of its divisors is an integer number (79427621).

Almost surely, 2^866874006 is an apocalyptic number.

866874006 is an abundant number, since it is smaller than the sum of its proper divisors (1039388898).

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

866874006 is a wasteful number, since it uses less digits than its factorization.

866874006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718876 (or 718873 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 866874006 is about 29442.7241606479. The cubic root of 866874006 is about 953.4955272259.

The spelling of 866874006 in words is "eight hundred sixty-six million, eight hundred seventy-four thousand, six".