115604978 has 8 divisors (see below), whose sum is σ = 176679468. Its totient is φ = 56711824.

The previous prime is 115604977. The next prime is 115605019. The reversal of 115604978 is 879406511.

It can be written as a sum of positive squares in 2 ways, for example, as 106646929 + 8958049 = 10327^2 + 2993^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (115604977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545201 + ... + 545412.

Almost surely, 2^115604978 is an apocalyptic number.

115604978 is a deficient number, since it is larger than the sum of its proper divisors (61074490).

115604978 is a wasteful number, since it uses less digits than its factorization.

115604978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090668.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 115604978 is about 10751.9755394067. The cubic root of 115604978 is about 487.1456682725.

The spelling of 115604978 in words is "one hundred fifteen million, six hundred four thousand, nine hundred seventy-eight".