800885663 has 8 divisors (see below), whose sum is σ = 872108400. Its totient is φ = 732570048.

The previous prime is 800885633. The next prime is 800885669. The reversal of 800885663 is 366588008.

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

It is a cyclic number.

It is not a de Polignac number, because 800885663 - 2¹⁶ = 800820127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800885669) 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, 726206 + ... + 727307.

It is an arithmetic number, because the mean of its divisors is an integer number (109013550).

Almost surely, 2^800885663 is an apocalyptic number.

800885663 is a deficient number, since it is larger than the sum of its proper divisors (71222737).

800885663 is a wasteful number, since it uses less digits than its factorization.

800885663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453561.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 800885663 is about 28299.9233744546. The cubic root of 800885663 is about 928.6602140059.

The spelling of 800885663 in words is "eight hundred million, eight hundred eighty-five thousand, six hundred sixty-three".