127913479 has 4 divisors (see below), whose sum is σ = 128562984. Its totient is φ = 127263976.

The previous prime is 127913449. The next prime is 127913497. The reversal of 127913479 is 974319721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127913479 - 2⁷ = 127913351 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127913449) 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 3 ways as a sum of consecutive naturals, for example, 324457 + ... + 324850.

It is an arithmetic number, because the mean of its divisors is an integer number (32140746).

Almost surely, 2^127913479 is an apocalyptic number.

127913479 is a deficient number, since it is larger than the sum of its proper divisors (649505).

127913479 is an equidigital number, since it uses as much as digits as its factorization.

127913479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649504.

The product of its digits is 95256, while the sum is 43.

The square root of 127913479 is about 11309.8841284957. The cubic root of 127913479 is about 503.8548426664.

The spelling of 127913479 in words is "one hundred twenty-seven million, nine hundred thirteen thousand, four hundred seventy-nine".