1118347807 has 2 divisors, whose sum is σ = 1118347808. Its totient is φ = 1118347806.

The previous prime is 1118347759. The next prime is 1118347817. The reversal of 1118347807 is 7087438111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1118347807 - 2⁷ = 1118347679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1118347807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118347817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559173903 + 559173904.

It is an arithmetic number, because the mean of its divisors is an integer number (559173904).

Almost surely, 2^1118347807 is an apocalyptic number.

1118347807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118347807 is an equidigital number, since it uses as much as digits as its factorization.

1118347807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 40.

The square root of 1118347807 is about 33441.7075969514. The cubic root of 1118347807 is about 1037.9879141577.

The spelling of 1118347807 in words is "one billion, one hundred eighteen million, three hundred forty-seven thousand, eight hundred seven".