89673947 has 12 divisors (see below), whose sum is σ = 99765960. Its totient is φ = 80530560.

The previous prime is 89673943. The next prime is 89673953. The reversal of 89673947 is 74937698.

It is not a de Polignac number, because 89673947 - 2² = 89673943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89673943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5579 + ... + 14507.

It is an arithmetic number, because the mean of its divisors is an integer number (8313830).

Almost surely, 2^89673947 is an apocalyptic number.

89673947 is a deficient number, since it is larger than the sum of its proper divisors (10092013).

89673947 is a wasteful number, since it uses less digits than its factorization.

89673947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9034 (or 9023 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 53.

The square root of 89673947 is about 9469.6328862317. The cubic root of 89673947 is about 447.5986437140.

The spelling of 89673947 in words is "eighty-nine million, six hundred seventy-three thousand, nine hundred forty-seven".