2836807978680 has 96 divisors (see below), whose sum is σ = 9928827941760. Its totient is φ = 698291193600.

The previous prime is 2836807978661. The next prime is 2836807978681. The reversal of 2836807978680 is 868797086382.

2836807978680 is a `hidden beast` number, since 28 + 368 + 0 + 7 + 97 + 86 + 80 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2836807978599 and 2836807978608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2836807978681) 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, 303073096 + ... + 303082455.

It is an arithmetic number, because the mean of its divisors is an integer number (103425291060).

Almost surely, 2^{2836807978680} is an apocalyptic number.

2836807978680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2836807978680 is an abundant number, since it is smaller than the sum of its proper divisors (7092019963080).

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

2836807978680 is a wasteful number, since it uses less digits than its factorization.

2836807978680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606155581 (or 606155574 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 72.

The spelling of 2836807978680 in words is "two trillion, eight hundred thirty-six billion, eight hundred seven million, nine hundred seventy-eight thousand, six hundred eighty".