57678552986 has 16 divisors (see below), whose sum is σ = 91646271936. Its totient is φ = 27131246016.

The previous prime is 57678552983. The next prime is 57678552991. The reversal of 57678552986 is 68925587675.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57678552983) 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 7 ways as a sum of consecutive naturals, for example, 281606 + ... + 441201.

It is an arithmetic number, because the mean of its divisors is an integer number (5727891996).

Almost surely, 2^57678552986 is an apocalyptic number.

57678552986 is a deficient number, since it is larger than the sum of its proper divisors (33967718950).

57678552986 is a wasteful number, since it uses less digits than its factorization.

57678552986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725173.

The product of its digits is 254016000, while the sum is 68.

The spelling of 57678552986 in words is "fifty-seven billion, six hundred seventy-eight million, five hundred fifty-two thousand, nine hundred eighty-six".