1117850863 has 4 divisors (see below), whose sum is σ = 1128703888. Its totient is φ = 1106997840.

The previous prime is 1117850857. The next prime is 1117850873. The reversal of 1117850863 is 3680587111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3680587111 = 13921 ⋅264391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1117850863 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 (1117850873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5426358 + ... + 5426563.

It is an arithmetic number, because the mean of its divisors is an integer number (282175972).

Almost surely, 2^1117850863 is an apocalyptic number.

1117850863 is a deficient number, since it is larger than the sum of its proper divisors (10853025).

1117850863 is a wasteful number, since it uses less digits than its factorization.

1117850863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853024.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1117850863 is about 33434.2767680116. The cubic root of 1117850863 is about 1037.8341461664.

The spelling of 1117850863 in words is "one billion, one hundred seventeen million, eight hundred fifty thousand, eight hundred sixty-three".