117045487 has 8 divisors (see below), whose sum is σ = 127013040. Its totient is φ = 107215680.

The previous prime is 117045451. The next prime is 117045497. The reversal of 117045487 is 784540711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117045487 - 2¹⁹ = 116521199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117045497) 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, 32662 + ... + 36067.

It is an arithmetic number, because the mean of its divisors is an integer number (15876630).

Almost surely, 2^117045487 is an apocalyptic number.

117045487 is a deficient number, since it is larger than the sum of its proper divisors (9967553).

117045487 is a wasteful number, since it uses less digits than its factorization.

117045487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68873.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 117045487 is about 10818.7562593858. The cubic root of 117045487 is about 489.1606998290.

The spelling of 117045487 in words is "one hundred seventeen million, forty-five thousand, four hundred eighty-seven".