238783662783 has 6 divisors (see below), whose sum is σ = 344909735144. Its totient is φ = 159189108516.

The previous prime is 238783662773. The next prime is 238783662827. The reversal of 238783662783 is 387266387832.

It is a happy number.

238783662783 is a `hidden beast` number, since 238 + 78 + 3 + 66 + 278 + 3 = 666.

It is not a de Polignac number, because 238783662783 - 2¹⁷ = 238783531711 is a prime.

It is a super-2 number, since 2×238783662783² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238783662783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238783662773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13265759035 + ... + 13265759052.

Almost surely, 2^238783662783 is an apocalyptic number.

238783662783 is a deficient number, since it is larger than the sum of its proper divisors (106126072361).

238783662783 is a wasteful number, since it uses less digits than its factorization.

238783662783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26531518093 (or 26531518090 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 63.

The spelling of 238783662783 in words is "two hundred thirty-eight billion, seven hundred eighty-three million, six hundred sixty-two thousand, seven hundred eighty-three".