239307711797 has 24 divisors (see below), whose sum is σ = 306523738080. Its totient is φ = 184730753760.

The previous prime is 239307711779. The next prime is 239307711871. The reversal of 239307711797 is 797117703932.

It is not a de Polignac number, because 239307711797 - 2⁸ = 239307711541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239307711707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2017022 + ... + 2132367.

It is an arithmetic number, because the mean of its divisors is an integer number (12771822420).

Almost surely, 2^239307711797 is an apocalyptic number.

It is an amenable number.

239307711797 is a deficient number, since it is larger than the sum of its proper divisors (67216026283).

239307711797 is a wasteful number, since it uses less digits than its factorization.

239307711797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149521 (or 4149514 counting only the distinct ones).

The product of its (nonzero) digits is 3500658, while the sum is 56.

The spelling of 239307711797 in words is "two hundred thirty-nine billion, three hundred seven million, seven hundred eleven thousand, seven hundred ninety-seven".