2687354707896 has 112 divisors (see below), whose sum is σ = 7572183682560. Its totient is φ = 893715275520.

The previous prime is 2687354707837. The next prime is 2687354708011. The reversal of 2687354707896 is 6987074537862.

2687354707896 is a `hidden beast` number, since 2 + 6 + 8 + 7 + 3 + 547 + 0 + 78 + 9 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1993161 + ... + 3057351.

It is an arithmetic number, because the mean of its divisors is an integer number (67608782880).

Almost surely, 2^{2687354707896} 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 2687354707896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3786091841280).

2687354707896 is an abundant number, since it is smaller than the sum of its proper divisors (4884828974664).

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

2687354707896 is a wasteful number, since it uses less digits than its factorization.

2687354707896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064648 (or 1064629 counting only the distinct ones).

The product of its (nonzero) digits is 853493760, while the sum is 72.

The spelling of 2687354707896 in words is "two trillion, six hundred eighty-seven billion, three hundred fifty-four million, seven hundred seven thousand, eight hundred ninety-six".