7868353940550 has 72 divisors (see below), whose sum is σ = 21821568300480. Its totient is φ = 2030542948800.

The previous prime is 7868353940527. The next prime is 7868353940569. The reversal of 7868353940550 is 550493538687.

7868353940550 is a `hidden beast` number, since 7 + 8 + 6 + 8 + 3 + 5 + 39 + 40 + 550 = 666.

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 35 ways as a sum of consecutive naturals, for example, 282005905 + ... + 282033804.

Almost surely, 2^{7868353940550} is an apocalyptic number.

7868353940550 is an abundant number, since it is smaller than the sum of its proper divisors (13953214359930).

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

7868353940550 is a wasteful number, since it uses less digits than its factorization.

7868353940550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564039758 (or 564039750 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 7868353940550 in words is "seven trillion, eight hundred sixty-eight billion, three hundred fifty-three million, nine hundred forty thousand, five hundred fifty".