239978293682399 has 8 divisors (see below), whose sum is σ = 240491661239088. Its totient is φ = 239465472554880.

The previous prime is 239978293682377. The next prime is 239978293682431. The reversal of 239978293682399 is 993286392879932.

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 239978293682399 - 2⁴⁰ = 238878782054623 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 (239978293684399) 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, 135727997 + ... + 137484710.

It is an arithmetic number, because the mean of its divisors is an integer number (30061457654886).

Almost surely, 2^{239978293682399} is an apocalyptic number.

239978293682399 is a deficient number, since it is larger than the sum of its proper divisors (513367556689).

239978293682399 is an equidigital number, since it uses as much as digits as its factorization.

239978293682399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273214585.

The product of its digits is 34284321792, while the sum is 89.

The spelling of 239978293682399 in words is "two hundred thirty-nine trillion, nine hundred seventy-eight billion, two hundred ninety-three million, six hundred eighty-two thousand, three hundred ninety-nine".