116428717 has 2 divisors, whose sum is σ = 116428718. Its totient is φ = 116428716.

The previous prime is 116428709. The next prime is 116428723. The reversal of 116428717 is 717824611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107101801 + 9326916 = 10349^2 + 3054^2 .

It is a cyclic number.

It is not a de Polignac number, because 116428717 - 2³ = 116428709 is a prime.

It is a super-2 number, since 2×116428717² = 27111292284532178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116428727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58214358 + 58214359.

It is an arithmetic number, because the mean of its divisors is an integer number (58214359).

Almost surely, 2^116428717 is an apocalyptic number.

It is an amenable number.

116428717 is a deficient number, since it is larger than the sum of its proper divisors (1).

116428717 is an equidigital number, since it uses as much as digits as its factorization.

116428717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 37.

The square root of 116428717 is about 10790.2139459790. The cubic root of 116428717 is about 488.2999770911.

The spelling of 116428717 in words is "one hundred sixteen million, four hundred twenty-eight thousand, seven hundred seventeen".