43797385128 has 64 divisors (see below), whose sum is σ = 130576066560. Its totient is φ = 11969470656.

The previous prime is 43797385117. The next prime is 43797385171. The reversal of 43797385128 is 82158379734.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5663500 + ... + 5671227.

It is an arithmetic number, because the mean of its divisors is an integer number (2040251040).

Almost surely, 2^43797385128 is an apocalyptic number.

It is an amenable number.

43797385128 is an abundant number, since it is smaller than the sum of its proper divisors (86778681432).

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

43797385128 is a wasteful number, since it uses less digits than its factorization.

43797385128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334766 (or 11334762 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The spelling of 43797385128 in words is "forty-three billion, seven hundred ninety-seven million, three hundred eighty-five thousand, one hundred twenty-eight".