57979751509 has 16 divisors (see below), whose sum is σ = 59434381440. Its totient is φ = 56546150400.

The previous prime is 57979751461. The next prime is 57979751519. The reversal of 57979751509 is 90515797975.

It is a cyclic number.

It is not a de Polignac number, because 57979751509 - 2⁷ = 57979751381 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 (57979751519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3219472 + ... + 3237430.

It is an arithmetic number, because the mean of its divisors is an integer number (3714648840).

Almost surely, 2^57979751509 is an apocalyptic number.

It is an amenable number.

57979751509 is a deficient number, since it is larger than the sum of its proper divisors (1454629931).

57979751509 is a wasteful number, since it uses less digits than its factorization.

57979751509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18540.

The product of its (nonzero) digits is 31255875, while the sum is 64.

The spelling of 57979751509 in words is "fifty-seven billion, nine hundred seventy-nine million, seven hundred fifty-one thousand, five hundred nine".