115764487 has 2 divisors, whose sum is σ = 115764488. Its totient is φ = 115764486.

The previous prime is 115764479. The next prime is 115764503. The reversal of 115764487 is 784467511.

It is a weak prime.

It is an emirp because it is prime and its reverse (784467511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115764487 - 2³ = 115764479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115764457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57882243 + 57882244.

It is an arithmetic number, because the mean of its divisors is an integer number (57882244).

Almost surely, 2^115764487 is an apocalyptic number.

115764487 is a deficient number, since it is larger than the sum of its proper divisors (1).

115764487 is an equidigital number, since it uses as much as digits as its factorization.

115764487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 43.

The square root of 115764487 is about 10759.3906425968. The cubic root of 115764487 is about 487.3696159751.

The spelling of 115764487 in words is "one hundred fifteen million, seven hundred sixty-four thousand, four hundred eighty-seven".