117509684 has 6 divisors (see below), whose sum is σ = 205641954. Its totient is φ = 58754840.

The previous prime is 117509683. The next prime is 117509723. The reversal of 117509684 is 486905711.

It can be written as a sum of positive squares in only one way, i.e., 88887184 + 28622500 = 9428^2 + 5350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117509683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14688707 + ... + 14688714.

It is an arithmetic number, because the mean of its divisors is an integer number (34273659).

Almost surely, 2^117509684 is an apocalyptic number.

It is an amenable number.

117509684 is a deficient number, since it is larger than the sum of its proper divisors (88132270).

117509684 is a wasteful number, since it uses less digits than its factorization.

117509684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29377425 (or 29377423 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 117509684 is about 10840.1883747470. The cubic root of 117509684 is about 489.8065097497.

The spelling of 117509684 in words is "one hundred seventeen million, five hundred nine thousand, six hundred eighty-four".