868784274438 has 8 divisors (see below), whose sum is σ = 1737568548888. Its totient is φ = 289594758144.

The previous prime is 868784274437. The next prime is 868784274467. The reversal of 868784274438 is 834472487868.

868784274438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

868784274438 is an admirable number.

It is a super-2 number, since 2×868784274438² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868784274437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72398689531 + ... + 72398689542.

It is an arithmetic number, because the mean of its divisors is an integer number (217196068611).

Almost surely, 2^868784274438 is an apocalyptic number.

868784274438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

868784274438 is a wasteful number, since it uses less digits than its factorization.

868784274438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144797379078.

The product of its digits is 462422016, while the sum is 69.

The spelling of 868784274438 in words is "eight hundred sixty-eight billion, seven hundred eighty-four million, two hundred seventy-four thousand, four hundred thirty-eight".