2487021967872 has 320 divisors, whose sum is σ = 8025970888320. Its totient is φ = 765233049600.

The previous prime is 2487021967849. The next prime is 2487021967897. The reversal of 2487021967872 is 2787691207842.

2487021967872 is a `hidden beast` number, since 2 + 487 + 0 + 2 + 19 + 6 + 78 + 72 = 666.

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, 14471247 + ... + 14642097.

It is an arithmetic number, because the mean of its divisors is an integer number (25081159026).

Almost surely, 2^{2487021967872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2487021967872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4012985444160).

2487021967872 is an abundant number, since it is smaller than the sum of its proper divisors (5538948920448).

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

2487021967872 is an frugal number, since it uses more digits than its factorization.

2487021967872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170903 (or 170869 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 63.

The spelling of 2487021967872 in words is "two trillion, four hundred eighty-seven billion, twenty-one million, nine hundred sixty-seven thousand, eight hundred seventy-two".