239657723916 has 24 divisors (see below), whose sum is σ = 602216845104. Its totient is φ = 73740838080.

The previous prime is 239657723911. The next prime is 239657723917. The reversal of 239657723916 is 619327756932.

239657723916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 239657723916.

It is not an unprimeable number, because it can be changed into a prime (239657723911) 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, 768133575 + ... + 768133886.

It is an arithmetic number, because the mean of its divisors is an integer number (25092368546).

Almost surely, 2^239657723916 is an apocalyptic number.

239657723916 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

239657723916 is an abundant number, since it is smaller than the sum of its proper divisors (362559121188).

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

239657723916 is a wasteful number, since it uses less digits than its factorization.

239657723916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536267481 (or 1536267479 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 60.

The spelling of 239657723916 in words is "two hundred thirty-nine billion, six hundred fifty-seven million, seven hundred twenty-three thousand, nine hundred sixteen".