289985873000 has 64 divisors (see below), whose sum is σ = 700456273920. Its totient is φ = 112252584000.

The previous prime is 289985872997. The next prime is 289985873003. The reversal of 289985873000 is 378589982.

It is an interprime number because it is at equal distance from previous prime (289985872997) and next prime (289985873003).

It is not an unprimeable number, because it can be changed into a prime (289985873003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4646192 + ... + 4708191.

It is an arithmetic number, because the mean of its divisors is an integer number (10944629280).

Almost surely, 2^289985873000 is an apocalyptic number.

289985873000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289985873000 is an abundant number, since it is smaller than the sum of its proper divisors (410470400920).

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

289985873000 is a wasteful number, since it uses less digits than its factorization.

289985873000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354435 (or 9354421 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 289985873000 in words is "two hundred eighty-nine billion, nine hundred eighty-five million, eight hundred seventy-three thousand".