868121283782 has 32 divisors (see below), whose sum is σ = 1318775066784. Its totient is φ = 428558848000.

The previous prime is 868121283751. The next prime is 868121283787. The reversal of 868121283782 is 287382121868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868121283787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116789138 + ... + 116796570.

It is an arithmetic number, because the mean of its divisors is an integer number (41211720837).

Almost surely, 2^868121283782 is an apocalyptic number.

868121283782 is a deficient number, since it is larger than the sum of its proper divisors (450653783002).

868121283782 is a wasteful number, since it uses less digits than its factorization.

868121283782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304.

The product of its digits is 4128768, while the sum is 56.

The spelling of 868121283782 in words is "eight hundred sixty-eight billion, one hundred twenty-one million, two hundred eighty-three thousand, seven hundred eighty-two".