65850120235782 has 32 divisors (see below), whose sum is σ = 146336488731360. Its totient is φ = 21949606847520.

The previous prime is 65850120235763. The next prime is 65850120235819. The reversal of 65850120235782 is 28753202105856.

It is a happy number.

65850120235782 is a `hidden beast` number, since 6 + 5 + 8 + 5 + 0 + 1 + 202 + 357 + 82 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9267069 + ... + 14750552.

It is an arithmetic number, because the mean of its divisors is an integer number (4573015272855).

Almost surely, 2^{65850120235782} is an apocalyptic number.

65850120235782 is an abundant number, since it is smaller than the sum of its proper divisors (80486368495578).

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

65850120235782 is a wasteful number, since it uses less digits than its factorization.

65850120235782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24068405 (or 24068399 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 65850120235782 in words is "sixty-five trillion, eight hundred fifty billion, one hundred twenty million, two hundred thirty-five thousand, seven hundred eighty-two".