2987826580872 has 80 divisors (see below), whose sum is σ = 9564206794560. Its totient is φ = 853664736096.

The previous prime is 2987826580841. The next prime is 2987826580873. The reversal of 2987826580872 is 2780856287892.

2987826580872 is a `hidden beast` number, since 298 + 7 + 8 + 265 + 8 + 0 + 8 + 72 = 666.

2987826580872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2987826580872.

It is not an unprimeable number, because it can be changed into a prime (2987826580873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 329341428 + ... + 329350499.

It is an arithmetic number, because the mean of its divisors is an integer number (119552584932).

Almost surely, 2^{2987826580872} is an apocalyptic number.

It is an amenable number.

2987826580872 is an abundant number, since it is smaller than the sum of its proper divisors (6576380213688).

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

2987826580872 is a wasteful number, since it uses less digits than its factorization.

2987826580872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658691952 (or 658691939 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 72.

The spelling of 2987826580872 in words is "two trillion, nine hundred eighty-seven billion, eight hundred twenty-six million, five hundred eighty thousand, eight hundred seventy-two".