89783975 has 6 divisors (see below), whose sum is σ = 111332160. Its totient is φ = 71827160.

The previous prime is 89783951. The next prime is 89783977. The reversal of 89783975 is 57938798.

It is not a de Polignac number, because 89783975 - 2²⁶ = 22675111 is a prime.

It is a super-2 number, since 2×89783975² = 16122324333601250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89783975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89783977) 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, 1795655 + ... + 1795704.

It is an arithmetic number, because the mean of its divisors is an integer number (18555360).

Almost surely, 2^89783975 is an apocalyptic number.

89783975 is a deficient number, since it is larger than the sum of its proper divisors (21548185).

89783975 is a wasteful number, since it uses less digits than its factorization.

89783975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591369 (or 3591364 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 56.

The square root of 89783975 is about 9475.4406230001. The cubic root of 89783975 is about 447.7816335220.

The spelling of 89783975 in words is "eighty-nine million, seven hundred eighty-three thousand, nine hundred seventy-five".