127157776005 has 64 divisors (see below), whose sum is σ = 223263710208. Its totient is φ = 61417128960.

The previous prime is 127157775991. The next prime is 127157776007. The reversal of 127157776005 is 500677751721.

It is not a de Polignac number, because 127157776005 - 2⁵ = 127157775973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127157776007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4708852 + ... + 4735778.

It is an arithmetic number, because the mean of its divisors is an integer number (3488495472).

Almost surely, 2^127157776005 is an apocalyptic number.

127157776005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127157776005 is a deficient number, since it is larger than the sum of its proper divisors (96105934203).

127157776005 is a wasteful number, since it uses less digits than its factorization.

127157776005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27406.

The product of its (nonzero) digits is 720300, while the sum is 48.

The spelling of 127157776005 in words is "one hundred twenty-seven billion, one hundred fifty-seven million, seven hundred seventy-six thousand, five".