800463987 has 12 divisors (see below), whose sum is σ = 1160175744. Its totient is φ = 531819600.

The previous prime is 800463973. The next prime is 800464013. The reversal of 800463987 is 789364008.

It is a happy number.

800463987 is a `hidden beast` number, since 8 + 0 + 0 + 4 + 639 + 8 + 7 = 666.

It is not a de Polignac number, because 800463987 - 2⁸ = 800463731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800463967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149139 + ... + 154412.

It is an arithmetic number, because the mean of its divisors is an integer number (96681312).

Almost surely, 2^800463987 is an apocalyptic number.

800463987 is a deficient number, since it is larger than the sum of its proper divisors (359711757).

800463987 is a wasteful number, since it uses less digits than its factorization.

800463987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303850 (or 303847 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 800463987 is about 28292.4722673718. The cubic root of 800463987 is about 928.4972017771.

The spelling of 800463987 in words is "eight hundred million, four hundred sixty-three thousand, nine hundred eighty-seven".