57689426982 has 128 divisors (see below), whose sum is σ = 130014720000. Its totient is φ = 16917310080.

The previous prime is 57689426959. The next prime is 57689427049. The reversal of 57689426982 is 28962498675.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 84464413 + ... + 84465095.

It is an arithmetic number, because the mean of its divisors is an integer number (1015740000).

Almost surely, 2^57689426982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57689426982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65007360000).

57689426982 is an abundant number, since it is smaller than the sum of its proper divisors (72325293018).

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

57689426982 is a wasteful number, since it uses less digits than its factorization.

57689426982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its digits is 104509440, while the sum is 66.

The spelling of 57689426982 in words is "fifty-seven billion, six hundred eighty-nine million, four hundred twenty-six thousand, nine hundred eighty-two".