89319780 has 144 divisors (see below), whose sum is σ = 305665920. Its totient is φ = 21637440.

The previous prime is 89319767. The next prime is 89319793. The reversal of 89319780 is 8791398.

It is an interprime number because it is at equal distance from previous prime (89319767) and next prime (89319793).

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 64657 + ... + 66023.

It is an arithmetic number, because the mean of its divisors is an integer number (2122680).

Almost surely, 2^89319780 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 89319780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152832960).

89319780 is an abundant number, since it is smaller than the sum of its proper divisors (216346140).

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

89319780 is a wasteful number, since it uses less digits than its factorization.

89319780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 89319780 is about 9450.9142414901. The cubic root of 89319780 is about 447.0086030505.

The spelling of 89319780 in words is "eighty-nine million, three hundred nineteen thousand, seven hundred eighty".