89774280 has 96 divisors (see below), whose sum is σ = 308950200. Its totient is φ = 22530048.

The previous prime is 89774219. The next prime is 89774281. The reversal of 89774280 is 8247798.

It can be written as a sum of positive squares in 4 ways, for example, as 84603204 + 5171076 = 9198^2 + 2274^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (89774281) 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 23 ways as a sum of consecutive naturals, for example, 1215 + ... + 13454.

Almost surely, 2^89774280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89774280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154475100).

89774280 is an abundant number, since it is smaller than the sum of its proper divisors (219175920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89774280 is a wasteful number, since it uses less digits than its factorization.

89774280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14703 (or 14696 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 89774280 is about 9474.9290234809. The cubic root of 89774280 is about 447.7655155782.

The spelling of 89774280 in words is "eighty-nine million, seven hundred seventy-four thousand, two hundred eighty".