286138434798 has 24 divisors (see below), whose sum is σ = 621743031000. Its totient is φ = 95106182544.

The previous prime is 286138434797. The next prime is 286138434811. The reversal of 286138434798 is 897434831682.

286138434798 is a `hidden beast` number, since 2 + 8 + 613 + 8 + 4 + 3 + 4 + 7 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286138434797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22768188 + ... + 22780751.

It is an arithmetic number, because the mean of its divisors is an integer number (25905959625).

Almost surely, 2^286138434798 is an apocalyptic number.

286138434798 is an abundant number, since it is smaller than the sum of its proper divisors (335604596202).

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

286138434798 is a wasteful number, since it uses less digits than its factorization.

286138434798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45549296 (or 45549293 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 286138434798 in words is "two hundred eighty-six billion, one hundred thirty-eight million, four hundred thirty-four thousand, seven hundred ninety-eight".