43947687468 has 54 divisors (see below), whose sum is σ = 104094133164. Its totient is φ = 14431125888.

The previous prime is 43947687419. The next prime is 43947687493. The reversal of 43947687468 is 86478674934.

It is a junction number, because it is equal to n+sod(n) for n = 43947687399 and 43947687408.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53012478 + ... + 53013306.

Almost surely, 2^43947687468 is an apocalyptic number.

It is an amenable number.

43947687468 is an abundant number, since it is smaller than the sum of its proper divisors (60146445696).

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

43947687468 is an frugal number, since it uses more digits than its factorization.

43947687468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 907 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 66.

The spelling of 43947687468 in words is "forty-three billion, nine hundred forty-seven million, six hundred eighty-seven thousand, four hundred sixty-eight".