233778944892 has 12 divisors (see below), whose sum is σ = 545484204776. Its totient is φ = 77926314960.

The previous prime is 233778944891. The next prime is 233778944951. The reversal of 233778944892 is 298449877332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233778944891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9740789359 + ... + 9740789382.

Almost surely, 2^233778944892 is an apocalyptic number.

It is an amenable number.

233778944892 is an abundant number, since it is smaller than the sum of its proper divisors (311705259884).

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

233778944892 is a wasteful number, since it uses less digits than its factorization.

233778944892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19481578748 (or 19481578746 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 66.

The spelling of 233778944892 in words is "two hundred thirty-three billion, seven hundred seventy-eight million, nine hundred forty-four thousand, eight hundred ninety-two".