57764479 has 2 divisors, whose sum is σ = 57764480. Its totient is φ = 57764478.

The previous prime is 57764459. The next prime is 57764507. The reversal of 57764479 is 97446775.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57764479 - 2¹¹ = 57762431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57764459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28882239 + 28882240.

It is an arithmetic number, because the mean of its divisors is an integer number (28882240).

Almost surely, 2^57764479 is an apocalyptic number.

57764479 is a deficient number, since it is larger than the sum of its proper divisors (1).

57764479 is an equidigital number, since it uses as much as digits as its factorization.

57764479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 49.

The square root of 57764479 is about 7600.2946653403. The cubic root of 57764479 is about 386.5630034072.

It can be divided in two parts, 577 and 64479, that added together give a palindrome (65056).

The spelling of 57764479 in words is "fifty-seven million, seven hundred sixty-four thousand, four hundred seventy-nine".