114778817 has 2 divisors, whose sum is σ = 114778818. Its totient is φ = 114778816.

The previous prime is 114778801. The next prime is 114778819. The reversal of 114778817 is 718877411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60078001 + 54700816 = 7751^2 + 7396^2 .

It is a cyclic number.

It is not a de Polignac number, because 114778817 - 2⁴ = 114778801 is a prime.

Together with 114778819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (114778819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57389408 + 57389409.

It is an arithmetic number, because the mean of its divisors is an integer number (57389409).

Almost surely, 2^114778817 is an apocalyptic number.

It is an amenable number.

114778817 is a deficient number, since it is larger than the sum of its proper divisors (1).

114778817 is an equidigital number, since it uses as much as digits as its factorization.

114778817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87808, while the sum is 44.

The square root of 114778817 is about 10713.4876207517. The cubic root of 114778817 is about 485.9824447361.

The spelling of 114778817 in words is "one hundred fourteen million, seven hundred seventy-eight thousand, eight hundred seventeen".