57507729607 has 2 divisors, whose sum is σ = 57507729608. Its totient is φ = 57507729606.

The previous prime is 57507729599. The next prime is 57507729661. The reversal of 57507729607 is 70692770575.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57507729607 - 2³ = 57507729599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57507729677) 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 as a sum of consecutive naturals, namely, 28753864803 + 28753864804.

It is an arithmetic number, because the mean of its divisors is an integer number (28753864804).

Almost surely, 2^57507729607 is an apocalyptic number.

57507729607 is a deficient number, since it is larger than the sum of its proper divisors (1).

57507729607 is an equidigital number, since it uses as much as digits as its factorization.

57507729607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6482700, while the sum is 55.

The spelling of 57507729607 in words is "fifty-seven billion, five hundred seven million, seven hundred twenty-nine thousand, six hundred seven".