286777992816 has 120 divisors (see below), whose sum is σ = 948863242080. Its totient is φ = 79111162368.

The previous prime is 286777992803. The next prime is 286777992817. The reversal of 286777992816 is 618299777682.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286777992817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4875975 + ... + 4934438.

It is an arithmetic number, because the mean of its divisors is an integer number (7907193684).

Almost surely, 2^286777992816 is an apocalyptic number.

It is an amenable number.

286777992816 is an abundant number, since it is smaller than the sum of its proper divisors (662085249264).

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

286777992816 is a wasteful number, since it uses less digits than its factorization.

286777992816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9810463 (or 9810454 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 72.

The spelling of 286777992816 in words is "two hundred eighty-six billion, seven hundred seventy-seven million, nine hundred ninety-two thousand, eight hundred sixteen".