89854781456 has 40 divisors (see below), whose sum is σ = 199916148000. Its totient is φ = 38693445120.

The previous prime is 89854781413. The next prime is 89854781461. The reversal of 89854781456 is 65418745898.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 89854781392 and 89854781401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13431881 + ... + 13438568.

It is an arithmetic number, because the mean of its divisors is an integer number (4997903700).

Almost surely, 2^89854781456 is an apocalyptic number.

It is an amenable number.

89854781456 is an abundant number, since it is smaller than the sum of its proper divisors (110061366544).

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

89854781456 is a wasteful number, since it uses less digits than its factorization.

89854781456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26870487 (or 26870481 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 65.

The spelling of 89854781456 in words is "eighty-nine billion, eight hundred fifty-four million, seven hundred eighty-one thousand, four hundred fifty-six".