800519983 has 2 divisors, whose sum is σ = 800519984. Its totient is φ = 800519982.

The previous prime is 800519963. The next prime is 800520047. The reversal of 800519983 is 389915008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800519983 - 2⁹ = 800519471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800519963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400259991 + 400259992.

It is an arithmetic number, because the mean of its divisors is an integer number (400259992).

Almost surely, 2^800519983 is an apocalyptic number.

800519983 is a deficient number, since it is larger than the sum of its proper divisors (1).

800519983 is an equidigital number, since it uses as much as digits as its factorization.

800519983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 800519983 is about 28293.4618419168. The cubic root of 800519983 is about 928.5188521023.

The spelling of 800519983 in words is "eight hundred million, five hundred nineteen thousand, nine hundred eighty-three".