89689760 has 24 divisors (see below), whose sum is σ = 211892436. Its totient is φ = 35875840.

The previous prime is 89689757. The next prime is 89689781. The reversal of 89689760 is 6798698.

It can be written as a sum of positive squares in 2 ways, for example, as 87534736 + 2155024 = 9356^2 + 1468^2 .

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 3 ways as a sum of consecutive naturals, for example, 280121 + ... + 280440.

Almost surely, 2^89689760 is an apocalyptic number.

89689760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89689760 is an abundant number, since it is smaller than the sum of its proper divisors (122202676).

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

89689760 is a wasteful number, since it uses less digits than its factorization.

89689760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560576 (or 560568 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 89689760 is about 9470.4677814773. The cubic root of 89689760 is about 447.6249518432.

The spelling of 89689760 in words is "eighty-nine million, six hundred eighty-nine thousand, seven hundred sixty".