861333600808 has 8 divisors (see below), whose sum is σ = 1615000501530. Its totient is φ = 430666800400.

The previous prime is 861333600791. The next prime is 861333600943. The reversal of 861333600808 is 808006333168.

861333600808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 722292614884 + 139040985924 = 849878^2 + 372882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53833350043 + ... + 53833350058.

Almost surely, 2^861333600808 is an apocalyptic number.

It is an amenable number.

861333600808 is a deficient number, since it is larger than the sum of its proper divisors (753666900722).

861333600808 is a wasteful number, since it uses less digits than its factorization.

861333600808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107666700107 (or 107666700103 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 861333600808 in words is "eight hundred sixty-one billion, three hundred thirty-three million, six hundred thousand, eight hundred eight".