875249866 has 16 divisors (see below), whose sum is σ = 1370787264. Its totient is φ = 418343904.

The previous prime is 875249863. The next prime is 875249867. The reversal of 875249866 is 668942578.

It is not an unprimeable number, because it can be changed into a prime (875249861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86905 + ... + 96451.

It is an arithmetic number, because the mean of its divisors is an integer number (85674204).

Almost surely, 2^875249866 is an apocalyptic number.

875249866 is a deficient number, since it is larger than the sum of its proper divisors (495537398).

875249866 is a wasteful number, since it uses less digits than its factorization.

875249866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11565.

The product of its digits is 5806080, while the sum is 55.

The square root of 875249866 is about 29584.6221202840. The cubic root of 875249866 is about 956.5566258572.

The spelling of 875249866 in words is "eight hundred seventy-five million, two hundred forty-nine thousand, eight hundred sixty-six".