89447869 has 8 divisors (see below), whose sum is σ = 104603840. Its totient is φ = 74886336.

The previous prime is 89447867. The next prime is 89447887. The reversal of 89447869 is 96874498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89447869 - 2¹ = 89447867 is a prime.

It is a super-2 number, since 2×89447869² = 16001842537282322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89447867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148284 + ... + 148885.

It is an arithmetic number, because the mean of its divisors is an integer number (13075480).

Almost surely, 2^89447869 is an apocalyptic number.

It is an amenable number.

89447869 is a deficient number, since it is larger than the sum of its proper divisors (15155971).

89447869 is a wasteful number, since it uses less digits than its factorization.

89447869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297219.

The product of its digits is 3483648, while the sum is 55.

The square root of 89447869 is about 9457.6883539267. The cubic root of 89447869 is about 447.2221785019. Note that the first 3 decimals are identical.

The spelling of 89447869 in words is "eighty-nine million, four hundred forty-seven thousand, eight hundred sixty-nine".