57127147507 has 4 divisors (see below), whose sum is σ = 57414218800. Its totient is φ = 56840076216.

The previous prime is 57127147499. The next prime is 57127147523. The reversal of 57127147507 is 70574172175.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57127147507 - 2³ = 57127147499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57127147537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143535348 + ... + 143535745.

It is an arithmetic number, because the mean of its divisors is an integer number (14353554700).

Almost surely, 2^57127147507 is an apocalyptic number.

57127147507 is a deficient number, since it is larger than the sum of its proper divisors (287071293).

57127147507 is a wasteful number, since it uses less digits than its factorization.

57127147507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287071292.

The product of its (nonzero) digits is 480200, while the sum is 46.

The spelling of 57127147507 in words is "fifty-seven billion, one hundred twenty-seven million, one hundred forty-seven thousand, five hundred seven".