985365880 has 32 divisors (see below), whose sum is σ = 2218233600. Its totient is φ = 393940096.

The previous prime is 985365847. The next prime is 985365881. The reversal of 985365880 is 88563589.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985365881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88041 + ... + 98599.

It is an arithmetic number, because the mean of its divisors is an integer number (69319800).

Almost surely, 2^985365880 is an apocalyptic number.

It is an amenable number.

985365880 is an abundant number, since it is smaller than the sum of its proper divisors (1232867720).

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

985365880 is a wasteful number, since it uses less digits than its factorization.

985365880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12903 (or 12899 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 985365880 is about 31390.5380648373. The cubic root of 985365880 is about 995.0979693607.

The spelling of 985365880 in words is "nine hundred eighty-five million, three hundred sixty-five thousand, eight hundred eighty".