117647771836 has 12 divisors (see below), whose sum is σ = 235295543728. Its totient is φ = 50420473632.

The previous prime is 117647771827. The next prime is 117647771869. The reversal of 117647771836 is 638177746711.

117647771836 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100853041 + ... + 2100853096.

Almost surely, 2^117647771836 is an apocalyptic number.

It is an amenable number.

117647771836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117647771836 is a wasteful number, since it uses less digits than its factorization.

117647771836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201706148 (or 4201706146 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 58.

The spelling of 117647771836 in words is "one hundred seventeen billion, six hundred forty-seven million, seven hundred seventy-one thousand, eight hundred thirty-six".