286027785500 has 48 divisors (see below), whose sum is σ = 625389920064. Its totient is φ = 114281950400.

The previous prime is 286027785497. The next prime is 286027785509. The reversal of 286027785500 is 5587720682.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286027785509) 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, 121034 + ... + 765966.

It is an arithmetic number, because the mean of its divisors is an integer number (13028956668).

Almost surely, 2^286027785500 is an apocalyptic number.

286027785500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286027785500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312694960032).

286027785500 is an abundant number, since it is smaller than the sum of its proper divisors (339362134564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

286027785500 is a wasteful number, since it uses less digits than its factorization.

286027785500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645839 (or 645827 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 286027785500 in words is "two hundred eighty-six billion, twenty-seven million, seven hundred eighty-five thousand, five hundred".