115464889 has 2 divisors, whose sum is σ = 115464890. Its totient is φ = 115464888.

The previous prime is 115464821. The next prime is 115464893. The reversal of 115464889 is 988464511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77580864 + 37884025 = 8808^2 + 6155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115464889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115464989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57732444 + 57732445.

It is an arithmetic number, because the mean of its divisors is an integer number (57732445).

Almost surely, 2^115464889 is an apocalyptic number.

It is an amenable number.

115464889 is a deficient number, since it is larger than the sum of its proper divisors (1).

115464889 is an equidigital number, since it uses as much as digits as its factorization.

115464889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The square root of 115464889 is about 10745.4589943846. The cubic root of 115464889 is about 486.9488159253.

The spelling of 115464889 in words is "one hundred fifteen million, four hundred sixty-four thousand, eight hundred eighty-nine".