57227721663 has 24 divisors (see below), whose sum is σ = 88821156528. Its totient is φ = 32679526656.

The previous prime is 57227721643. The next prime is 57227721743. The reversal of 57227721663 is 36612772275.

It is not a de Polignac number, because 57227721663 - 2¹⁰ = 57227720639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57227721643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89095 + ... + 349847.

It is an arithmetic number, because the mean of its divisors is an integer number (3700881522).

Almost surely, 2^57227721663 is an apocalyptic number.

57227721663 is a deficient number, since it is larger than the sum of its proper divisors (31593434865).

57227721663 is a wasteful number, since it uses less digits than its factorization.

57227721663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262263 (or 262256 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 48.

The spelling of 57227721663 in words is "fifty-seven billion, two hundred twenty-seven million, seven hundred twenty-one thousand, six hundred sixty-three".