239909229775 has 12 divisors (see below), whose sum is σ = 297504476104. Its totient is φ = 191916396000.

The previous prime is 239909229767. The next prime is 239909229779. The reversal of 239909229775 is 577922909932.

It is not a de Polignac number, because 239909229775 - 2³ = 239909229767 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 (239909229779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185860 + ... + 717190.

Almost surely, 2^239909229775 is an apocalyptic number.

239909229775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

239909229775 is a deficient number, since it is larger than the sum of its proper divisors (57595246329).

239909229775 is a wasteful number, since it uses less digits than its factorization.

239909229775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549402 (or 549397 counting only the distinct ones).

The product of its (nonzero) digits is 38578680, while the sum is 64.

The spelling of 239909229775 in words is "two hundred thirty-nine billion, nine hundred nine million, two hundred twenty-nine thousand, seven hundred seventy-five".