289688052860 has 24 divisors (see below), whose sum is σ = 614030382000. Its totient is φ = 114792274304.

The previous prime is 289688052803. The next prime is 289688052943. The reversal of 289688052860 is 68250886982.

It is a junction number, because it is equal to n+sod(n) for n = 289688052793 and 289688052802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67681985 + ... + 67686264.

It is an arithmetic number, because the mean of its divisors is an integer number (25584599250).

Almost surely, 2^289688052860 is an apocalyptic number.

289688052860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289688052860 is an abundant number, since it is smaller than the sum of its proper divisors (324342329140).

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

289688052860 is a wasteful number, since it uses less digits than its factorization.

289688052860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135368365 (or 135368363 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 62.

The spelling of 289688052860 in words is "two hundred eighty-nine billion, six hundred eighty-eight million, fifty-two thousand, eight hundred sixty".