971117699 has 2 divisors, whose sum is σ = 971117700. Its totient is φ = 971117698.

The previous prime is 971117669. The next prime is 971117711. The reversal of 971117699 is 996711179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 971117699 - 2¹⁶ = 971052163 is a prime.

It is a super-2 number, since 2×971117699² = 1886139170622109202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (971117629) 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, 485558849 + 485558850.

It is an arithmetic number, because the mean of its divisors is an integer number (485558850).

Almost surely, 2^971117699 is an apocalyptic number.

971117699 is a deficient number, since it is larger than the sum of its proper divisors (1).

971117699 is an equidigital number, since it uses as much as digits as its factorization.

971117699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214326, while the sum is 50.

The square root of 971117699 is about 31162.7614148682. The cubic root of 971117699 is about 990.2783623597.

The spelling of 971117699 in words is "nine hundred seventy-one million, one hundred seventeen thousand, six hundred ninety-nine".