89872775 has 6 divisors (see below), whose sum is σ = 111442272. Its totient is φ = 71898200.

The previous prime is 89872771. The next prime is 89872781. The reversal of 89872775 is 57727898.

It is not a de Polignac number, because 89872775 - 2² = 89872771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89872771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1797431 + ... + 1797480.

It is an arithmetic number, because the mean of its divisors is an integer number (18573712).

Almost surely, 2^89872775 is an apocalyptic number.

89872775 is a deficient number, since it is larger than the sum of its proper divisors (21569497).

89872775 is a wasteful number, since it uses less digits than its factorization.

89872775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594921 (or 3594916 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 53.

The square root of 89872775 is about 9480.1252628855. The cubic root of 89872775 is about 447.9292096241.

The spelling of 89872775 in words is "eighty-nine million, eight hundred seventy-two thousand, seven hundred seventy-five".