57798736609 has 4 divisors (see below), whose sum is σ = 57924113940. Its totient is φ = 57673359280.

The previous prime is 57798736579. The next prime is 57798736657. The reversal of 57798736609 is 90663789775.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32277715600 + 25521021009 = 179660^2 + 159753^2 .

It is a cyclic number.

It is not a de Polignac number, because 57798736609 - 2⁹ = 57798736097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57798736669) 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, 62687974 + ... + 62688895.

It is an arithmetic number, because the mean of its divisors is an integer number (14481028485).

Almost surely, 2^57798736609 is an apocalyptic number.

It is an amenable number.

57798736609 is a deficient number, since it is larger than the sum of its proper divisors (125377331).

57798736609 is a wasteful number, since it uses less digits than its factorization.

57798736609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125377330.

The product of its (nonzero) digits is 120022560, while the sum is 67.

The spelling of 57798736609 in words is "fifty-seven billion, seven hundred ninety-eight million, seven hundred thirty-six thousand, six hundred nine".