116965897 has 4 divisors (see below), whose sum is σ = 118613376. Its totient is φ = 115318420.

The previous prime is 116965889. The next prime is 116965921. The reversal of 116965897 is 798569611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116965897 - 2³ = 116965889 is a prime.

It is a super-2 number, since 2×116965897² = 27362042122029218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116965817) 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, 823633 + ... + 823774.

It is an arithmetic number, because the mean of its divisors is an integer number (29653344).

Almost surely, 2^116965897 is an apocalyptic number.

It is an amenable number.

116965897 is a deficient number, since it is larger than the sum of its proper divisors (1647479).

116965897 is an equidigital number, since it uses as much as digits as its factorization.

116965897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647478.

The product of its digits is 816480, while the sum is 52.

The square root of 116965897 is about 10815.0772997700. The cubic root of 116965897 is about 489.0497995599.

The spelling of 116965897 in words is "one hundred sixteen million, nine hundred sixty-five thousand, eight hundred ninety-seven".