861763238 has 16 divisors (see below), whose sum is σ = 1477695264. Its totient is φ = 369230400.

The previous prime is 861763223. The next prime is 861763247. The reversal of 861763238 is 832367168.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82088 + ... + 91988.

It is an arithmetic number, because the mean of its divisors is an integer number (92355954).

Almost surely, 2^861763238 is an apocalyptic number.

861763238 is a deficient number, since it is larger than the sum of its proper divisors (615932026).

861763238 is a wasteful number, since it uses less digits than its factorization.

861763238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16127.

The product of its digits is 290304, while the sum is 44.

The square root of 861763238 is about 29355.8041620392. The cubic root of 861763238 is about 951.6180138699.

The spelling of 861763238 in words is "eight hundred sixty-one million, seven hundred sixty-three thousand, two hundred thirty-eight".