2087631784550 has 48 divisors (see below), whose sum is σ = 4199038765152. Its totient is φ = 767619417600.

The previous prime is 2087631784549. The next prime is 2087631784561. The reversal of 2087631784550 is 554871367802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6506714 + ... + 6820013.

It is an arithmetic number, because the mean of its divisors is an integer number (87479974274).

Almost surely, 2^{2087631784550} is an apocalyptic number.

2087631784550 is an abundant number, since it is smaller than the sum of its proper divisors (2111406980602).

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

2087631784550 is a wasteful number, since it uses less digits than its factorization.

2087631784550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13326993 (or 13326988 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 2087631784550 in words is "two trillion, eighty-seven billion, six hundred thirty-one million, seven hundred eighty-four thousand, five hundred fifty".