116619387 has 4 divisors (see below), whose sum is σ = 155492520. Its totient is φ = 77746256.

The previous prime is 116619383. The next prime is 116619389. The reversal of 116619387 is 783916611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116619387 - 2² = 116619383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116619383) 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, 19436562 + ... + 19436567.

It is an arithmetic number, because the mean of its divisors is an integer number (38873130).

Almost surely, 2^116619387 is an apocalyptic number.

116619387 is a deficient number, since it is larger than the sum of its proper divisors (38873133).

116619387 is an equidigital number, since it uses as much as digits as its factorization.

116619387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38873132.

The product of its digits is 54432, while the sum is 42.

The square root of 116619387 is about 10799.0456522787. The cubic root of 116619387 is about 488.5663872491.

The spelling of 116619387 in words is "one hundred sixteen million, six hundred nineteen thousand, three hundred eighty-seven".