117494685 has 128 divisors (see below), whose sum is σ = 265420800. Its totient is φ = 47900160.

The previous prime is 117494669. The next prime is 117494737. The reversal of 117494685 is 586494711.

117494685 = T₁ + T₂ + ... + T₈₈₉.

117494685 is a nontrivial binomial coefficient, being equal to C(891, 3).

It is not a de Polignac number, because 117494685 - 2⁴ = 117494669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 117494685.

It is a congruent number.

It is an unprimeable number.

It is the 889-th tetrahedral number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 925092 + ... + 925218.

It is an arithmetic number, because the mean of its divisors is an integer number (2073600).

Almost surely, 2^117494685 is an apocalyptic number.

117494685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117494685 is an abundant number, since it is smaller than the sum of its proper divisors (147926115).

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

117494685 is a wasteful number, since it uses less digits than its factorization.

117494685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 242 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 117494685 is about 10839.4965288984. The cubic root of 117494685 is about 489.7856691398.

It can be divided in two parts, 1174 and 94685, that added together give a palindrome (95859).

The spelling of 117494685 in words is "one hundred seventeen million, four hundred ninety-four thousand, six hundred eighty-five".