116636397 has 4 divisors (see below), whose sum is σ = 155515200. Its totient is φ = 77757596.

The previous prime is 116636393. The next prime is 116636413. The reversal of 116636397 is 793636611.

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 116636397 - 2² = 116636393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116636393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19439397 + ... + 19439402.

It is an arithmetic number, because the mean of its divisors is an integer number (38878800).

Almost surely, 2^116636397 is an apocalyptic number.

It is an amenable number.

116636397 is a deficient number, since it is larger than the sum of its proper divisors (38878803).

116636397 is an equidigital number, since it uses as much as digits as its factorization.

116636397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38878802.

The product of its digits is 122472, while the sum is 42.

The square root of 116636397 is about 10799.8331931563. The cubic root of 116636397 is about 488.5901400471.

The spelling of 116636397 in words is "one hundred sixteen million, six hundred thirty-six thousand, three hundred ninety-seven".