113579999 has 12 divisors (see below), whose sum is σ = 123441552. Its totient is φ = 104457600.

The previous prime is 113579953. The next prime is 113580023. The reversal of 113579999 is 999975311.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-113579999 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 113579999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113579909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51479 + ... + 53639.

It is an arithmetic number, because the mean of its divisors is an integer number (10286796).

Almost surely, 2^113579999 is an apocalyptic number.

113579999 is a deficient number, since it is larger than the sum of its proper divisors (9861553).

113579999 is a wasteful number, since it uses less digits than its factorization.

113579999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2485 counting only the distinct ones).

The product of its digits is 688905, while the sum is 53.

The square root of 113579999 is about 10657.3917540832. The cubic root of 113579999 is about 484.2845567880.

The spelling of 113579999 in words is "one hundred thirteen million, five hundred seventy-nine thousand, nine hundred ninety-nine".