116978237 has 4 divisors (see below), whose sum is σ = 117074496. Its totient is φ = 116881980.

The previous prime is 116978219. The next prime is 116978249. The reversal of 116978237 is 732879611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 732879611 = 157 ⋅4668023.

It is a cyclic number.

It is not a de Polignac number, because 116978237 - 2²⁰ = 115929661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116975237) 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, 46283 + ... + 48744.

It is an arithmetic number, because the mean of its divisors is an integer number (29268624).

Almost surely, 2^116978237 is an apocalyptic number.

It is an amenable number.

116978237 is a deficient number, since it is larger than the sum of its proper divisors (96259).

116978237 is an equidigital number, since it uses as much as digits as its factorization.

116978237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96258.

The product of its digits is 127008, while the sum is 44.

The square root of 116978237 is about 10815.6477845758. The cubic root of 116978237 is about 489.0669973428.

The spelling of 116978237 in words is "one hundred sixteen million, nine hundred seventy-eight thousand, two hundred thirty-seven".