8080220621 has 8 divisors (see below), whose sum is σ = 8823448800. Its totient is φ = 7338436240.

The previous prime is 8080220549. The next prime is 8080220623. The reversal of 8080220621 is 1260220808.

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-8080220621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8080220623) 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, 349226 + ... + 371643.

It is an arithmetic number, because the mean of its divisors is an integer number (1102931100).

Almost surely, 2^8080220621 is an apocalyptic number.

It is an amenable number.

8080220621 is a deficient number, since it is larger than the sum of its proper divisors (743228179).

8080220621 is a wasteful number, since it uses less digits than its factorization.

8080220621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721899.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 8080220621 is about 89890.0473968058. The cubic root of 8080220621 is about 2006.6628304465.

The spelling of 8080220621 in words is "eight billion, eighty million, two hundred twenty thousand, six hundred twenty-one".