115568979 has 8 divisors (see below), whose sum is σ = 154891152. Its totient is φ = 76646400.

The previous prime is 115568977. The next prime is 115568983. The reversal of 115568979 is 979865511.

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

It is not a de Polignac number, because 115568979 - 2¹ = 115568977 is a prime.

It is a super-3 number, since 3×115568979³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (115568977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99222 + ... + 100379.

It is an arithmetic number, because the mean of its divisors is an integer number (19361394).

Almost surely, 2^115568979 is an apocalyptic number.

115568979 is a deficient number, since it is larger than the sum of its proper divisors (39322173).

115568979 is a wasteful number, since it uses less digits than its factorization.

115568979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199797.

The product of its digits is 680400, while the sum is 51.

The square root of 115568979 is about 10750.3013446136. The cubic root of 115568979 is about 487.0950978507.

The spelling of 115568979 in words is "one hundred fifteen million, five hundred sixty-eight thousand, nine hundred seventy-nine".