1117607287 has 4 divisors (see below), whose sum is σ = 1122904216. Its totient is φ = 1112310360.

The previous prime is 1117607279. The next prime is 1117607317. The reversal of 1117607287 is 7827067111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1117607287 - 2³ = 1117607279 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 (1117605287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2648148 + ... + 2648569.

It is an arithmetic number, because the mean of its divisors is an integer number (280726054).

Almost surely, 2^1117607287 is an apocalyptic number.

1117607287 is a deficient number, since it is larger than the sum of its proper divisors (5296929).

1117607287 is an equidigital number, since it uses as much as digits as its factorization.

1117607287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296928.

The product of its (nonzero) digits is 32928, while the sum is 40.

The square root of 1117607287 is about 33430.6339604860. The cubic root of 1117607287 is about 1037.7587604832.

The spelling of 1117607287 in words is "one billion, one hundred seventeen million, six hundred seven thousand, two hundred eighty-seven".