239197378680 has 768 divisors, whose sum is σ = 945374976000. Its totient is φ = 51808813056.

The previous prime is 239197378669. The next prime is 239197378741. The reversal of 239197378680 is 86873791932.

239197378680 is a `hidden beast` number, since 2 + 391 + 97 + 3 + 7 + 86 + 80 = 666.

239197378680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 119418559 + ... + 119420561.

It is an arithmetic number, because the mean of its divisors is an integer number (1230957000).

Almost surely, 2^239197378680 is an apocalyptic number.

239197378680 is a gapful number since it is divisible by the number (20) 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 239197378680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472687488000).

239197378680 is an abundant number, since it is smaller than the sum of its proper divisors (706177597320).

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

239197378680 is a wasteful number, since it uses less digits than its factorization.

239197378680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 239197378680 in words is "two hundred thirty-nine billion, one hundred ninety-seven million, three hundred seventy-eight thousand, six hundred eighty".