117289692 has 36 divisors (see below), whose sum is σ = 319289880. Its totient is φ = 36088992.

The previous prime is 117289687. The next prime is 117289721. The reversal of 117289692 is 296982711.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124842 + ... + 125777.

Almost surely, 2^117289692 is an apocalyptic number.

117289692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117289692 is an abundant number, since it is smaller than the sum of its proper divisors (202000188).

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

117289692 is a wasteful number, since it uses less digits than its factorization.

117289692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250642 (or 250637 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 117289692 is about 10830.0365650352. The cubic root of 117289692 is about 489.5006602728.

The spelling of 117289692 in words is "one hundred seventeen million, two hundred eighty-nine thousand, six hundred ninety-two".