57724912387 has 2 divisors, whose sum is σ = 57724912388. Its totient is φ = 57724912386.

The previous prime is 57724912381. The next prime is 57724912397. The reversal of 57724912387 is 78321942775.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57724912387 - 2²³ = 57716523779 is a prime.

It is not a weakly prime, because it can be changed into another prime (57724912381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28862456193 + 28862456194.

It is an arithmetic number, because the mean of its divisors is an integer number (28862456194).

Almost surely, 2^57724912387 is an apocalyptic number.

57724912387 is a deficient number, since it is larger than the sum of its proper divisors (1).

57724912387 is an equidigital number, since it uses as much as digits as its factorization.

57724912387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 55.

The spelling of 57724912387 in words is "fifty-seven billion, seven hundred twenty-four million, nine hundred twelve thousand, three hundred eighty-seven".