127759616479 has 12 divisors (see below), whose sum is σ = 147821046520. Its totient is φ = 110032203600.

The previous prime is 127759616473. The next prime is 127759616507. The reversal of 127759616479 is 974616957721.

It is not a de Polignac number, because 127759616479 - 2¹¹ = 127759614431 is a prime.

It is a super-2 number, since 2×127759616479² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127759616479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127759616473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27783612 + ... + 27788209.

Almost surely, 2^127759616479 is an apocalyptic number.

127759616479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

127759616479 is a deficient number, since it is larger than the sum of its proper divisors (20061430041).

127759616479 is a wasteful number, since it uses less digits than its factorization.

127759616479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55571862 (or 55571851 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 64.

The spelling of 127759616479 in words is "one hundred twenty-seven billion, seven hundred fifty-nine million, six hundred sixteen thousand, four hundred seventy-nine".