289171720608 has 48 divisors (see below), whose sum is σ = 760224308256. Its totient is φ = 96244727040.

The previous prime is 289171720603. The next prime is 289171720627. The reversal of 289171720608 is 806027171982.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (289171720603) 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, 2215066 + ... + 2341977.

It is an arithmetic number, because the mean of its divisors is an integer number (15838006422).

Almost surely, 2^289171720608 is an apocalyptic number.

It is an amenable number.

289171720608 is an abundant number, since it is smaller than the sum of its proper divisors (471052587648).

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

289171720608 is a wasteful number, since it uses less digits than its factorization.

289171720608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557717 (or 4557709 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 51.

The spelling of 289171720608 in words is "two hundred eighty-nine billion, one hundred seventy-one million, seven hundred twenty thousand, six hundred eight".