809286900863 has 16 divisors (see below), whose sum is σ = 931310493696. Its totient is φ = 688878360960.

The previous prime is 809286900841. The next prime is 809286900869. The reversal of 809286900863 is 368009682908.

It is a cyclic number.

It is not a de Polignac number, because 809286900863 - 2⁸ = 809286900607 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 (809286900869) 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, 282470 + ... + 1303212.

It is an arithmetic number, because the mean of its divisors is an integer number (58206905856).

Almost surely, 2^809286900863 is an apocalyptic number.

809286900863 is a deficient number, since it is larger than the sum of its proper divisors (122023592833).

809286900863 is a wasteful number, since it uses less digits than its factorization.

809286900863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021534.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 809286900863 in words is "eight hundred nine billion, two hundred eighty-six million, nine hundred thousand, eight hundred sixty-three".