117688447452 has 24 divisors (see below), whose sum is σ = 274690729600. Its totient is φ = 39217432176.

The previous prime is 117688447451. The next prime is 117688447463. The reversal of 117688447452 is 254744886711.

It is a junction number, because it is equal to n+sod(n) for n = 117688447392 and 117688447401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117688447451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465552 + ... + 1543767.

Almost surely, 2^117688447452 is an apocalyptic number.

117688447452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117688447452 is an abundant number, since it is smaller than the sum of its proper divisors (157002282148).

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

117688447452 is a wasteful number, since it uses less digits than its factorization.

117688447452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012585 (or 3012583 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 57.

The spelling of 117688447452 in words is "one hundred seventeen billion, six hundred eighty-eight million, four hundred forty-seven thousand, four hundred fifty-two".