89774542080 has 1008 divisors, whose sum is σ = 347445987840. Its totient is φ = 22159982592.

The previous prime is 89774542079. The next prime is 89774542181. The reversal of 89774542080 is 8024547798.

It is a happy number.

89774542080 is a `hidden beast` number, since 8 + 97 + 7 + 4 + 542 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1008702676 + ... + 1008702764.

It is an arithmetic number, because the mean of its divisors is an integer number (344688480).

Almost surely, 2^89774542080 is an apocalyptic number.

89774542080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89774542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173722993920).

89774542080 is an abundant number, since it is smaller than the sum of its proper divisors (257671445760).

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

89774542080 is an equidigital number, since it uses as much as digits as its factorization.

89774542080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 89774542080 in words is "eighty-nine billion, seven hundred seventy-four million, five hundred forty-two thousand, eighty".