289716797974 has 8 divisors (see below), whose sum is σ = 435740279040. Its totient is φ = 144470038296.

The previous prime is 289716797963. The next prime is 289716797989. The reversal of 289716797974 is 479797617982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 289716797974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194179414 + ... + 194180905.

It is an arithmetic number, because the mean of its divisors is an integer number (54467534880).

Almost surely, 2^289716797974 is an apocalyptic number.

289716797974 is a deficient number, since it is larger than the sum of its proper divisors (146023481066).

289716797974 is a wasteful number, since it uses less digits than its factorization.

289716797974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388360694.

The product of its digits is 672126336, while the sum is 76.

The spelling of 289716797974 in words is "two hundred eighty-nine billion, seven hundred sixteen million, seven hundred ninety-seven thousand, nine hundred seventy-four".