57147767227 has 16 divisors (see below), whose sum is σ = 61515469440. Its totient is φ = 52984177792.

The previous prime is 57147767153. The next prime is 57147767263. The reversal of 57147767227 is 72276774175.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57147767227 - 2⁷ = 57147767099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57147767267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323308 + ... + 467785.

It is an arithmetic number, because the mean of its divisors is an integer number (3844716840).

Almost surely, 2^57147767227 is an apocalyptic number.

57147767227 is a deficient number, since it is larger than the sum of its proper divisors (4367702213).

57147767227 is a wasteful number, since it uses less digits than its factorization.

57147767227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791222.

The product of its digits is 8067360, while the sum is 55.

The spelling of 57147767227 in words is "fifty-seven billion, one hundred forty-seven million, seven hundred sixty-seven thousand, two hundred twenty-seven".