127055777743 has 24 divisors (see below), whose sum is σ = 145820446992. Its totient is φ = 110226085632.

The previous prime is 127055777707. The next prime is 127055777759. The reversal of 127055777743 is 347777550721.

It is a de Polignac number, because none of the positive numbers 2^k-127055777743 is a prime.

It is a super-2 number, since 2×127055777743² (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 (127055777143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52705 + ... + 506842.

It is an arithmetic number, because the mean of its divisors is an integer number (6075851958).

Almost surely, 2^127055777743 is an apocalyptic number.

127055777743 is a deficient number, since it is larger than the sum of its proper divisors (18764669249).

127055777743 is a wasteful number, since it uses less digits than its factorization.

127055777743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559639 (or 559620 counting only the distinct ones).

The product of its (nonzero) digits is 10084200, while the sum is 55.

The spelling of 127055777743 in words is "one hundred twenty-seven billion, fifty-five million, seven hundred seventy-seven thousand, seven hundred forty-three".