655827139317 has 48 divisors (see below), whose sum is σ = 1033732953792. Its totient is φ = 368705272320.

The previous prime is 655827139273. The next prime is 655827139343. The reversal of 655827139317 is 713931728556.

It is not a de Polignac number, because 655827139317 - 2⁸ = 655827139061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655827139117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2828923 + ... + 3051959.

It is an arithmetic number, because the mean of its divisors is an integer number (21536103204).

Almost surely, 2^655827139317 is an apocalyptic number.

It is an amenable number.

655827139317 is a deficient number, since it is larger than the sum of its proper divisors (377905814475).

655827139317 is a wasteful number, since it uses less digits than its factorization.

655827139317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223378 (or 223371 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 57.

The spelling of 655827139317 in words is "six hundred fifty-five billion, eight hundred twenty-seven million, one hundred thirty-nine thousand, three hundred seventeen".