89284477 has 4 divisors (see below), whose sum is σ = 93983680. Its totient is φ = 84585276.

The previous prime is 89284471. The next prime is 89284483. The reversal of 89284477 is 77448298.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (89284471) and next prime (89284483).

It is a cyclic number.

It is not a de Polignac number, because 89284477 - 2²³ = 80895869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89284477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89284471) 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 3 ways as a sum of consecutive naturals, for example, 2349573 + ... + 2349610.

It is an arithmetic number, because the mean of its divisors is an integer number (23495920).

Almost surely, 2^89284477 is an apocalyptic number.

It is an amenable number.

89284477 is a deficient number, since it is larger than the sum of its proper divisors (4699203).

89284477 is a wasteful number, since it uses less digits than its factorization.

89284477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699202.

The product of its digits is 903168, while the sum is 49.

The square root of 89284477 is about 9449.0463539978. The cubic root of 89284477 is about 446.9497029791.

The spelling of 89284477 in words is "eighty-nine million, two hundred eighty-four thousand, four hundred seventy-seven".