2177427317055 has 32 divisors (see below), whose sum is σ = 3492461665728. Its totient is φ = 1158438758400.

The previous prime is 2177427316969. The next prime is 2177427317057. The reversal of 2177427317055 is 5507137247712.

It is not a de Polignac number, because 2177427317055 - 2¹² = 2177427312959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2177427316989 and 2177427317007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2177427317057) 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 31 ways as a sum of consecutive naturals, for example, 9894925 + ... + 10112585.

It is an arithmetic number, because the mean of its divisors is an integer number (109139427054).

Almost surely, 2^{2177427317055} is an apocalyptic number.

2177427317055 is a deficient number, since it is larger than the sum of its proper divisors (1315034348673).

2177427317055 is a wasteful number, since it uses less digits than its factorization.

2177427317055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219307.

The product of its (nonzero) digits is 2881200, while the sum is 51.

The spelling of 2177427317055 in words is "two trillion, one hundred seventy-seven billion, four hundred twenty-seven million, three hundred seventeen thousand, fifty-five".