2787722556480 has 672 divisors, whose sum is σ = 10021887203328. Its totient is φ = 710465126400.

The previous prime is 2787722556469. The next prime is 2787722556533. The reversal of 2787722556480 is 846552277872.

2787722556480 is a `hidden beast` number, since 2 + 7 + 8 + 7 + 72 + 2 + 556 + 4 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2698666044 + ... + 2698667076.

It is an arithmetic number, because the mean of its divisors is an integer number (14913522624).

Almost surely, 2^{2787722556480} is an apocalyptic number.

2787722556480 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 2787722556480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5010943601664).

2787722556480 is an abundant number, since it is smaller than the sum of its proper divisors (7234164646848).

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

2787722556480 is a wasteful number, since it uses less digits than its factorization.

2787722556480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 105369600, while the sum is 63.

The spelling of 2787722556480 in words is "two trillion, seven hundred eighty-seven billion, seven hundred twenty-two million, five hundred fifty-six thousand, four hundred eighty".