233897690886 has 12 divisors (see below), whose sum is σ = 467797751076. Its totient is φ = 77965502080.

The previous prime is 233897690863. The next prime is 233897690891. The reversal of 233897690886 is 688096798332.

233897690886 is digitally balanced in base 2 and base 3, because in such bases 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 233897690886.

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 5 ways as a sum of consecutive naturals, for example, 1085926 + ... + 1283366.

It is an arithmetic number, because the mean of its divisors is an integer number (38983145923).

Almost surely, 2^233897690886 is an apocalyptic number.

233897690886 is an abundant number, since it is smaller than the sum of its proper divisors (233900060190).

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

233897690886 is an frugal number, since it uses more digits than its factorization.

233897690886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394887 (or 197446 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 69.

The spelling of 233897690886 in words is "two hundred thirty-three billion, eight hundred ninety-seven million, six hundred ninety thousand, eight hundred eighty-six".