918061799 has 2 divisors, whose sum is σ = 918061800. Its totient is φ = 918061798.

The previous prime is 918061751. The next prime is 918061801. The reversal of 918061799 is 997160819.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-918061799 is a prime.

It is a Sophie Germain prime.

Together with 918061801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918061099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459030899 + 459030900.

It is an arithmetic number, because the mean of its divisors is an integer number (459030900).

Almost surely, 2^918061799 is an apocalyptic number.

918061799 is a deficient number, since it is larger than the sum of its proper divisors (1).

918061799 is an equidigital number, since it uses as much as digits as its factorization.

918061799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 50.

The square root of 918061799 is about 30299.5346333900. The cubic root of 918061799 is about 971.9053486923.

The spelling of 918061799 in words is "nine hundred eighteen million, sixty-one thousand, seven hundred ninety-nine".