8004781234854 has 48 divisors (see below), whose sum is σ = 17588429333280. Its totient is φ = 2630610581760.

The previous prime is 8004781234843. The next prime is 8004781234867. The reversal of 8004781234854 is 4584321874008.

8004781234854 is a `hidden beast` number, since 8 + 0 + 0 + 478 + 123 + 48 + 5 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8004781234854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78122784 + ... + 78225180.

It is an arithmetic number, because the mean of its divisors is an integer number (366425611110).

Almost surely, 2^{8004781234854} is an apocalyptic number.

8004781234854 is an abundant number, since it is smaller than the sum of its proper divisors (9583648098426).

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

8004781234854 is a wasteful number, since it uses less digits than its factorization.

8004781234854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163645 (or 163642 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 54.

The spelling of 8004781234854 in words is "eight trillion, four billion, seven hundred eighty-one million, two hundred thirty-four thousand, eight hundred fifty-four".