2868633521780 has 96 divisors (see below), whose sum is σ = 6951905823744. Its totient is φ = 984871839744.

The previous prime is 2868633521737. The next prime is 2868633521857. The reversal of 2868633521780 is 871253368682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3542852 + ... + 4276571.

It is an arithmetic number, because the mean of its divisors is an integer number (72415685664).

Almost surely, 2^{2868633521780} is an apocalyptic number.

2868633521780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2868633521780 is an abundant number, since it is smaller than the sum of its proper divisors (4083272301964).

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

2868633521780 is a wasteful number, since it uses less digits than its factorization.

2868633521780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819545 (or 7819543 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 2868633521780 in words is "two trillion, eight hundred sixty-eight billion, six hundred thirty-three million, five hundred twenty-one thousand, seven hundred eighty".