89678256 has 80 divisors (see below), whose sum is σ = 239222784. Its totient is φ = 28933632.

The previous prime is 89678249. The next prime is 89678261. The reversal of 89678256 is 65287698.

It is a junction number, because it is equal to n+sod(n) for n = 89678199 and 89678208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286356 + ... + 286668.

Almost surely, 2^89678256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89678256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119611392).

89678256 is an abundant number, since it is smaller than the sum of its proper divisors (149544528).

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

89678256 is a wasteful number, since it uses less digits than its factorization.

89678256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 492 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 89678256 is about 9469.8604002382. The cubic root of 89678256 is about 447.6058129150.

The spelling of 89678256 in words is "eighty-nine million, six hundred seventy-eight thousand, two hundred fifty-six".