8889140880 has 800 divisors, whose sum is σ = 35779138560. Its totient is φ = 2030469120.

The previous prime is 8889140839. The next prime is 8889140927. The reversal of 8889140880 is 880419888.

8889140880 is a `hidden beast` number, since 88 + 89 + 1 + 408 + 80 = 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 64884172 + ... + 64884308.

Almost surely, 2^8889140880 is an apocalyptic number.

8889140880 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 8889140880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17889569280).

8889140880 is an abundant number, since it is smaller than the sum of its proper divisors (26889997680).

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

8889140880 is a wasteful number, since it uses less digits than its factorization.

8889140880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 54.

The square root of 8889140880 is about 94282.2405334112. The cubic root of 8889140880 is about 2071.5079119919.

It can be divided in two parts, 8889 and 140880, that added together give a square (149769 = 387²).

The spelling of 8889140880 in words is "eight billion, eight hundred eighty-nine million, one hundred forty thousand, eight hundred eighty".