89770443 has 24 divisors (see below), whose sum is σ = 140265984. Its totient is φ = 50026560.

The previous prime is 89770427. The next prime is 89770487. The reversal of 89770443 is 34407798.

It is not a de Polignac number, because 89770443 - 2⁴ = 89770427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89770395 and 89770404.

It is not an unprimeable number, because it can be changed into a prime (89770243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34030 + ... + 36572.

It is an arithmetic number, because the mean of its divisors is an integer number (5844416).

Almost surely, 2^89770443 is an apocalyptic number.

89770443 is a deficient number, since it is larger than the sum of its proper divisors (50495541).

89770443 is a wasteful number, since it uses less digits than its factorization.

89770443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 89770443 is about 9474.7265395894. The cubic root of 89770443 is about 447.7591362427.

The spelling of 89770443 in words is "eighty-nine million, seven hundred seventy thousand, four hundred forty-three".