57698896920 has 256 divisors, whose sum is σ = 212415436800. Its totient is φ = 12237496320.

The previous prime is 57698896883. The next prime is 57698896943. The reversal of 57698896920 is 2969889675.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 985426 + ... + 1042334.

It is an arithmetic number, because the mean of its divisors is an integer number (829747800).

Almost surely, 2^57698896920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57698896920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106207718400).

57698896920 is an abundant number, since it is smaller than the sum of its proper divisors (154716539880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57698896920 is a wasteful number, since it uses less digits than its factorization.

57698896920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57018 (or 57014 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 69.

The spelling of 57698896920 in words is "fifty-seven billion, six hundred ninety-eight million, eight hundred ninety-six thousand, nine hundred twenty".