57798196183938 has 96 divisors (see below), whose sum is σ = 139138665494400. Its totient is φ = 15940602402816.

The previous prime is 57798196183913. The next prime is 57798196183951. The reversal of 57798196183938 is 83938169189775.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35777731 + ... + 37358297.

It is an arithmetic number, because the mean of its divisors is an integer number (1449361098900).

Almost surely, 2^{57798196183938} is an apocalyptic number.

57798196183938 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57798196183938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69569332747200).

57798196183938 is an abundant number, since it is smaller than the sum of its proper divisors (81340469310462).

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

57798196183938 is a wasteful number, since it uses less digits than its factorization.

57798196183938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584904 (or 1584897 counting only the distinct ones).

The product of its digits is 4938071040, while the sum is 84.

The spelling of 57798196183938 in words is "fifty-seven trillion, seven hundred ninety-eight billion, one hundred ninety-six million, one hundred eighty-three thousand, nine hundred thirty-eight".