115964775 has 36 divisors (see below), whose sum is σ = 210075840. Its totient is φ = 61142400.

The previous prime is 115964741. The next prime is 115964777. The reversal of 115964775 is 577469511.

115964775 is a `hidden beast` number, since 11 + 596 + 47 + 7 + 5 = 666.

It is not a de Polignac number, because 115964775 - 2⁶ = 115964711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 115964775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115964777) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17130 + ... + 22920.

It is an arithmetic number, because the mean of its divisors is an integer number (5835440).

Almost surely, 2^115964775 is an apocalyptic number.

115964775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115964775 is a deficient number, since it is larger than the sum of its proper divisors (94111065).

115964775 is a wasteful number, since it uses less digits than its factorization.

115964775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5888 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 115964775 is about 10768.6942105345. The cubic root of 115964775 is about 487.6505255095.

The spelling of 115964775 in words is "one hundred fifteen million, nine hundred sixty-four thousand, seven hundred seventy-five".