116978371 has 4 divisors (see below), whose sum is σ = 119831544. Its totient is φ = 114125200.

The previous prime is 116978357. The next prime is 116978387. The reversal of 116978371 is 173879611.

It is a happy number.

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 116978371 - 2¹¹ = 116976323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116978171) 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, 1426525 + ... + 1426606.

It is an arithmetic number, because the mean of its divisors is an integer number (29957886).

Almost surely, 2^116978371 is an apocalyptic number.

116978371 is a deficient number, since it is larger than the sum of its proper divisors (2853173).

116978371 is an equidigital number, since it uses as much as digits as its factorization.

116978371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853172.

The product of its digits is 63504, while the sum is 43.

The square root of 116978371 is about 10815.6539793024. The cubic root of 116978371 is about 489.0671840869.

The spelling of 116978371 in words is "one hundred sixteen million, nine hundred seventy-eight thousand, three hundred seventy-one".