57906369427 has 4 divisors (see below), whose sum is σ = 57907342216. Its totient is φ = 57905396640.

The previous prime is 57906369397. The next prime is 57906369439. The reversal of 57906369427 is 72496360975.

It is a happy number.

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 57906369427 - 2¹⁵ = 57906336659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57906369487) 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, 390849 + ... + 518242.

It is an arithmetic number, because the mean of its divisors is an integer number (14476835554).

Almost surely, 2^57906369427 is an apocalyptic number.

57906369427 is a deficient number, since it is larger than the sum of its proper divisors (972789).

57906369427 is an equidigital number, since it uses as much as digits as its factorization.

57906369427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972788.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 57906369427 in words is "fifty-seven billion, nine hundred six million, three hundred sixty-nine thousand, four hundred twenty-seven".