89775436 has 24 divisors (see below), whose sum is σ = 167163696. Its totient is φ = 42040320.

The previous prime is 89775391. The next prime is 89775523. The reversal of 89775436 is 63457798.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 89775436.

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, 11220 + ... + 17476.

It is an arithmetic number, because the mean of its divisors is an integer number (6965154).

Almost surely, 2^89775436 is an apocalyptic number.

It is an amenable number.

89775436 is a deficient number, since it is larger than the sum of its proper divisors (77388260).

89775436 is a wasteful number, since it uses less digits than its factorization.

89775436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489 (or 6487 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 89775436 is about 9474.9900263800. The cubic root of 89775436 is about 447.7674374899.

The spelling of 89775436 in words is "eighty-nine million, seven hundred seventy-five thousand, four hundred thirty-six".