115479709 has 2 divisors, whose sum is σ = 115479710. Its totient is φ = 115479708.

The previous prime is 115479677. The next prime is 115479713. The reversal of 115479709 is 907974511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58522500 + 56957209 = 7650^2 + 7547^2 .

It is a cyclic number.

It is not a de Polignac number, because 115479709 - 2⁵ = 115479677 is a prime.

It is equal to p_6598465 and since 115479709 and 6598465 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115479719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57739854 + 57739855.

It is an arithmetic number, because the mean of its divisors is an integer number (57739855).

Almost surely, 2^115479709 is an apocalyptic number.

It is an amenable number.

115479709 is a deficient number, since it is larger than the sum of its proper divisors (1).

115479709 is an equidigital number, since it uses as much as digits as its factorization.

115479709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 115479709 is about 10746.1485658816. The cubic root of 115479709 is about 486.9696484422.

The spelling of 115479709 in words is "one hundred fifteen million, four hundred seventy-nine thousand, seven hundred nine".