239097765816 has 256 divisors, whose sum is σ = 824669798400. Its totient is φ = 62500128768.

The previous prime is 239097765811. The next prime is 239097765827. The reversal of 239097765816 is 618567790932.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239097765811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2167305 + ... + 2274951.

It is an arithmetic number, because the mean of its divisors is an integer number (3221366400).

Almost surely, 2^239097765816 is an apocalyptic number.

239097765816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239097765816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412334899200).

239097765816 is an abundant number, since it is smaller than the sum of its proper divisors (585572032584).

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

239097765816 is a wasteful number, since it uses less digits than its factorization.

239097765816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107795 (or 107785 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 239097765816 in words is "two hundred thirty-nine billion, ninety-seven million, seven hundred sixty-five thousand, eight hundred sixteen".