57793861447 has 4 divisors (see below), whose sum is σ = 66050127376. Its totient is φ = 49537595520.

The previous prime is 57793861313. The next prime is 57793861451. The reversal of 57793861447 is 74416839775.

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

It is not a de Polignac number, because 57793861447 - 2²⁷ = 57659643719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57793861847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4128132954 + ... + 4128132967.

It is an arithmetic number, because the mean of its divisors is an integer number (16512531844).

Almost surely, 2^57793861447 is an apocalyptic number.

57793861447 is a deficient number, since it is larger than the sum of its proper divisors (8256265929).

57793861447 is an equidigital number, since it uses as much as digits as its factorization.

57793861447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256265928.

The product of its digits is 35562240, while the sum is 61.

The spelling of 57793861447 in words is "fifty-seven billion, seven hundred ninety-three million, eight hundred sixty-one thousand, four hundred forty-seven".