89543688 has 32 divisors (see below), whose sum is σ = 241080000. Its totient is φ = 27551808.

The previous prime is 89543633. The next prime is 89543693. The reversal of 89543688 is 88634598.

It is a self number, because there is not a number n which added to its sum of digits gives 89543688.

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, 143188 + ... + 143811.

It is an arithmetic number, because the mean of its divisors is an integer number (7533750).

Almost surely, 2^89543688 is an apocalyptic number.

It is an amenable number.

89543688 is an abundant number, since it is smaller than the sum of its proper divisors (151536312).

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

89543688 is a wasteful number, since it uses less digits than its factorization.

89543688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287021 (or 287017 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 89543688 is about 9462.7526650547. The cubic root of 89543688 is about 447.3818137172.

The spelling of 89543688 in words is "eighty-nine million, five hundred forty-three thousand, six hundred eighty-eight".