286800489217 has 24 divisors (see below), whose sum is σ = 323428101920. Its totient is φ = 253990598400.

The previous prime is 286800489169. The next prime is 286800489277. The reversal of 286800489217 is 712984008682.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-286800489217 is a prime.

It is a super-2 number, since 2×286800489217² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (286800489277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899217 + ... + 2044657.

Almost surely, 2^286800489217 is an apocalyptic number.

It is an amenable number.

286800489217 is a deficient number, since it is larger than the sum of its proper divisors (36627612703).

286800489217 is a wasteful number, since it uses less digits than its factorization.

286800489217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145885 (or 145874 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 286800489217 in words is "two hundred eighty-six billion, eight hundred million, four hundred eighty-nine thousand, two hundred seventeen".