8043627621 has 8 divisors (see below), whose sum is σ = 10725907104. Its totient is φ = 5361883280.

The previous prime is 8043627497. The next prime is 8043627649. The reversal of 8043627621 is 1267263408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8043627621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8043627621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8043627661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97290 + ... + 159851.

It is an arithmetic number, because the mean of its divisors is an integer number (1340738388).

Almost surely, 2^8043627621 is an apocalyptic number.

It is an amenable number.

8043627621 is a deficient number, since it is larger than the sum of its proper divisors (2682279483).

8043627621 is a wasteful number, since it uses less digits than its factorization.

8043627621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267571.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 8043627621 is about 89686.2733142592. The cubic root of 8043627621 is about 2003.6290461126.

The spelling of 8043627621 in words is "eight billion, forty-three million, six hundred twenty-seven thousand, six hundred twenty-one".