57821946908 has 48 divisors (see below), whose sum is σ = 113186142720. Its totient is φ = 25617532800.

The previous prime is 57821946869. The next prime is 57821946953. The reversal of 57821946908 is 80964912875.

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 15 ways as a sum of consecutive naturals, for example, 1975283 + ... + 2004341.

It is an arithmetic number, because the mean of its divisors is an integer number (2358044640).

Almost surely, 2^57821946908 is an apocalyptic number.

It is an amenable number.

57821946908 is a deficient number, since it is larger than the sum of its proper divisors (55364195812).

57821946908 is a wasteful number, since it uses less digits than its factorization.

57821946908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30218 (or 30216 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 57821946908 in words is "fifty-seven billion, eight hundred twenty-one million, nine hundred forty-six thousand, nine hundred eight".