127477376775 has 120 divisors (see below), whose sum is σ = 270145459584. Its totient is φ = 58214894400.

The previous prime is 127477376749. The next prime is 127477376813. The reversal of 127477376775 is 577673774721.

127477376775 is a `hidden beast` number, since 1 + 2 + 7 + 477 + 37 + 67 + 75 = 666.

It is not a de Polignac number, because 127477376775 - 2⁹ = 127477376263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 15460804 + ... + 15469046.

Almost surely, 2^127477376775 is an apocalyptic number.

127477376775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

127477376775 is an abundant number, since it is smaller than the sum of its proper divisors (142668082809).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127477376775 is a wasteful number, since it uses less digits than its factorization.

127477376775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363 (or 9349 counting only the distinct ones).

The product of its digits is 84707280, while the sum is 63.

The spelling of 127477376775 in words is "one hundred twenty-seven billion, four hundred seventy-seven million, three hundred seventy-six thousand, seven hundred seventy-five".