127919329479 has 6 divisors (see below), whose sum is σ = 184772364816. Its totient is φ = 85279552980.

The previous prime is 127919329459. The next prime is 127919329507. The reversal of 127919329479 is 974923919721.

127919329479 is a `hidden beast` number, since 1 + 2 + 79 + 1 + 93 + 2 + 9 + 479 = 666.

It is not a de Polignac number, because 127919329479 - 2¹⁹ = 127918805191 is a prime.

It is a super-2 number, since 2×127919329479² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127919329459) 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 5 ways as a sum of consecutive naturals, for example, 7106629407 + ... + 7106629424.

It is an arithmetic number, because the mean of its divisors is an integer number (30795394136).

Almost surely, 2^127919329479 is an apocalyptic number.

127919329479 is a deficient number, since it is larger than the sum of its proper divisors (56853035337).

127919329479 is a wasteful number, since it uses less digits than its factorization.

127919329479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14213258837 (or 14213258834 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 63.

The spelling of 127919329479 in words is "one hundred twenty-seven billion, nine hundred nineteen million, three hundred twenty-nine thousand, four hundred seventy-nine".