289978790399 has 8 divisors (see below), whose sum is σ = 299460994560. Its totient is φ = 280504589400.

The previous prime is 289978790363. The next prime is 289978790411. The reversal of 289978790399 is 993097879982.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 289978790399 - 2¹⁶ = 289978724863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289978790599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927097 + ... + 2072114.

It is an arithmetic number, because the mean of its divisors is an integer number (37432624320).

Almost surely, 2^289978790399 is an apocalyptic number.

289978790399 is a deficient number, since it is larger than the sum of its proper divisors (9482204161).

289978790399 is a wasteful number, since it uses less digits than its factorization.

289978790399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001581.

The product of its (nonzero) digits is 1111065984, while the sum is 80.

The spelling of 289978790399 in words is "two hundred eighty-nine billion, nine hundred seventy-eight million, seven hundred ninety thousand, three hundred ninety-nine".