7872466543644 has 96 divisors (see below), whose sum is σ = 18660561131520. Its totient is φ = 2582734123008.

The previous prime is 7872466543609. The next prime is 7872466543673. The reversal of 7872466543644 is 4463456642787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973467769 + ... + 973475855.

It is an arithmetic number, because the mean of its divisors is an integer number (194380845120).

Almost surely, 2^{7872466543644} is an apocalyptic number.

It is an amenable number.

7872466543644 is an abundant number, since it is smaller than the sum of its proper divisors (10788094587876).

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

7872466543644 is a wasteful number, since it uses less digits than its factorization.

7872466543644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11299 (or 11297 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 66.

The spelling of 7872466543644 in words is "seven trillion, eight hundred seventy-two billion, four hundred sixty-six million, five hundred forty-three thousand, six hundred forty-four".