43487870764 has 12 divisors (see below), whose sum is σ = 81957910384. Its totient is φ = 20071324944.

The previous prime is 43487870759. The next prime is 43487870773. The reversal of 43487870764 is 46707878434.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43487870699 and 43487870708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418152552 + ... + 418152655.

Almost surely, 2^43487870764 is an apocalyptic number.

It is an amenable number.

43487870764 is a deficient number, since it is larger than the sum of its proper divisors (38470039620).

43487870764 is a wasteful number, since it uses less digits than its factorization.

43487870764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836305224 (or 836305222 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 58.

The spelling of 43487870764 in words is "forty-three billion, four hundred eighty-seven million, eight hundred seventy thousand, seven hundred sixty-four".