89164782 has 48 divisors (see below), whose sum is σ = 223921152. Its totient is φ = 25114320.

The previous prime is 89164771. The next prime is 89164793. The reversal of 89164782 is 28746198.

It is an interprime number because it is at equal distance from previous prime (89164771) and next prime (89164793).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3963 + ... + 13929.

It is an arithmetic number, because the mean of its divisors is an integer number (4665024).

Almost surely, 2^89164782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89164782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111960576).

89164782 is an abundant number, since it is smaller than the sum of its proper divisors (134756370).

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

89164782 is a wasteful number, since it uses less digits than its factorization.

89164782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10053 (or 10050 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 89164782 is about 9442.7105218788. The cubic root of 89164782 is about 446.7498863530.

The spelling of 89164782 in words is "eighty-nine million, one hundred sixty-four thousand, seven hundred eighty-two".