1117677947 has 4 divisors (see below), whose sum is σ = 1123529856. Its totient is φ = 1111826040.

The previous prime is 1117677943. The next prime is 1117677959. The reversal of 1117677947 is 7497767111.

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 1117677947 - 2² = 1117677943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117677895 and 1117677904.

It is not an unprimeable number, because it can be changed into a prime (1117677943) 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, 2925668 + ... + 2926049.

It is an arithmetic number, because the mean of its divisors is an integer number (280882464).

Almost surely, 2^1117677947 is an apocalyptic number.

1117677947 is a deficient number, since it is larger than the sum of its proper divisors (5851909).

1117677947 is an equidigital number, since it uses as much as digits as its factorization.

1117677947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851908.

The product of its digits is 518616, while the sum is 50.

The square root of 1117677947 is about 33431.6907589191. The cubic root of 1117677947 is about 1037.7806305651.

The spelling of 1117677947 in words is "one billion, one hundred seventeen million, six hundred seventy-seven thousand, nine hundred forty-seven".