985070880 has 144 divisors (see below), whose sum is σ = 3470148864. Its totient is φ = 254200320.

The previous prime is 985070873. The next prime is 985070897. The reversal of 985070880 is 88070589.

It is a tau number, because it is divible by the number of its divisors (144).

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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33607 + ... + 55673.

It is an arithmetic number, because the mean of its divisors is an integer number (24098256).

Almost surely, 2^985070880 is an apocalyptic number.

985070880 is a gapful number since it is divisible by the number (90) 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 985070880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735074432).

985070880 is an abundant number, since it is smaller than the sum of its proper divisors (2485077984).

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

985070880 is a wasteful number, since it uses less digits than its factorization.

985070880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22119 (or 22108 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 985070880 is about 31385.8388449313. The cubic root of 985070880 is about 994.9986549143.

The spelling of 985070880 in words is "nine hundred eighty-five million, seventy thousand, eight hundred eighty".