57396478907 has 4 divisors (see below), whose sum is σ = 57404512416. Its totient is φ = 57388445400.

The previous prime is 57396478891. The next prime is 57396478927. The reversal of 57396478907 is 70987469375.

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 57396478907 - 2⁴ = 57396478891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57396478927) 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, 4006028 + ... + 4020329.

It is an arithmetic number, because the mean of its divisors is an integer number (14351128104).

Almost surely, 2^57396478907 is an apocalyptic number.

57396478907 is a deficient number, since it is larger than the sum of its proper divisors (8033509).

57396478907 is an equidigital number, since it uses as much as digits as its factorization.

57396478907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033508.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 57396478907 in words is "fifty-seven billion, three hundred ninety-six million, four hundred seventy-eight thousand, nine hundred seven".