116878811 has 4 divisors (see below), whose sum is σ = 133575792. Its totient is φ = 100181832.

The previous prime is 116878789. The next prime is 116878813. The reversal of 116878811 is 118878611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118878611 = 19 ⋅6256769.

It is a cyclic number.

It is not a de Polignac number, because 116878811 - 2¹⁸ = 116616667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116878813) 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, 8348480 + ... + 8348493.

It is an arithmetic number, because the mean of its divisors is an integer number (33393948).

Almost surely, 2^116878811 is an apocalyptic number.

116878811 is a deficient number, since it is larger than the sum of its proper divisors (16696981).

116878811 is an equidigital number, since it uses as much as digits as its factorization.

116878811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16696980.

The product of its digits is 21504, while the sum is 41.

The square root of 116878811 is about 10811.0504115003. The cubic root of 116878811 is about 488.9283967517.

The spelling of 116878811 in words is "one hundred sixteen million, eight hundred seventy-eight thousand, eight hundred eleven".