116620387 has 4 divisors (see below), whose sum is σ = 125591200. Its totient is φ = 107649576.

The previous prime is 116620381. The next prime is 116620409. The reversal of 116620387 is 783026611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783026611 = 53 ⋅14774087.

It is a cyclic number.

It is not a de Polignac number, because 116620387 - 2¹⁵ = 116587619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116620381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4485387 + ... + 4485412.

It is an arithmetic number, because the mean of its divisors is an integer number (31397800).

Almost surely, 2^116620387 is an apocalyptic number.

116620387 is a deficient number, since it is larger than the sum of its proper divisors (8970813).

116620387 is an equidigital number, since it uses as much as digits as its factorization.

116620387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8970812.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 116620387 is about 10799.0919525671. The cubic root of 116620387 is about 488.5677837150.

Adding to 116620387 its reverse (783026611), we get a palindrome (899646998).

The spelling of 116620387 in words is "one hundred sixteen million, six hundred twenty thousand, three hundred eighty-seven".