866462866 has 8 divisors (see below), whose sum is σ = 1301577264. Its totient is φ = 432603780.

The previous prime is 866462843. The next prime is 866462867. The reversal of 866462866 is 668264668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (866462867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312100 + ... + 314863.

It is an arithmetic number, because the mean of its divisors is an integer number (162697158).

Almost surely, 2^866462866 is an apocalyptic number.

866462866 is a deficient number, since it is larger than the sum of its proper divisors (435114398).

866462866 is a wasteful number, since it uses less digits than its factorization.

866462866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627656.

The product of its digits is 3981312, while the sum is 52.

The square root of 866462866 is about 29435.7413020294. The cubic root of 866462866 is about 953.3447624702.

The spelling of 866462866 in words is "eight hundred sixty-six million, four hundred sixty-two thousand, eight hundred sixty-six".