8856478484854 has 64 divisors (see below), whose sum is σ = 17844152804352. Its totient is φ = 3183838358400.

The previous prime is 8856478484839. The next prime is 8856478484869. The reversal of 8856478484854 is 4584848746588.

It is an interprime number because it is at equal distance from previous prime (8856478484839) and next prime (8856478484869).

It is a super-2 number, since 2×8856478484854² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3971239 + ... + 5786509.

It is an arithmetic number, because the mean of its divisors is an integer number (278814887568).

Almost surely, 2^{8856478484854} is an apocalyptic number.

8856478484854 is an abundant number, since it is smaller than the sum of its proper divisors (8987674319498).

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

8856478484854 is a wasteful number, since it uses less digits than its factorization.

8856478484854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817741.

The product of its digits is 8808038400, while the sum is 79.

The spelling of 8856478484854 in words is "eight trillion, eight hundred fifty-six billion, four hundred seventy-eight million, four hundred eighty-four thousand, eight hundred fifty-four".