1117929679 has 4 divisors (see below), whose sum is σ = 1127822976. Its totient is φ = 1108036384.

The previous prime is 1117929677. The next prime is 1117929691. The reversal of 1117929679 is 9769297111.

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 1117929679 - 2¹ = 1117929677 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 (1117929677) 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, 4946479 + ... + 4946704.

It is an arithmetic number, because the mean of its divisors is an integer number (281955744).

Almost surely, 2^1117929679 is an apocalyptic number.

1117929679 is a deficient number, since it is larger than the sum of its proper divisors (9893297).

1117929679 is an equidigital number, since it uses as much as digits as its factorization.

1117929679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9893296.

The product of its digits is 428652, while the sum is 52.

The square root of 1117929679 is about 33435.4554178644. The cubic root of 1117929679 is about 1037.8585370210.

The spelling of 1117929679 in words is "one billion, one hundred seventeen million, nine hundred twenty-nine thousand, six hundred seventy-nine".