80650863 has 16 divisors (see below), whose sum is σ = 120998400. Its totient is φ = 53085240.

The previous prime is 80650859. The next prime is 80650879. The reversal of 80650863 is 36805608.

It is not a de Polignac number, because 80650863 - 2² = 80650859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80650963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16773 + ... + 21038.

It is an arithmetic number, because the mean of its divisors is an integer number (7562400).

Almost surely, 2^80650863 is an apocalyptic number.

80650863 is a deficient number, since it is larger than the sum of its proper divisors (40347537).

80650863 is a wasteful number, since it uses less digits than its factorization.

80650863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37899 (or 37893 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 80650863 is about 8980.5825534873. The cubic root of 80650863 is about 432.0523181235.

The spelling of 80650863 in words is "eighty million, six hundred fifty thousand, eight hundred sixty-three".