8027830421 has 8 divisors (see below), whose sum is σ = 8662347960. Its totient is φ = 7395740352.

The previous prime is 8027830409. The next prime is 8027830451. The reversal of 8027830421 is 1240387208.

It can be written as a sum of positive squares in 4 ways, for example, as 1390469521 + 6637360900 = 37289^2 + 81470^2 .

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

It is not a de Polignac number, because 8027830421 - 2⁶ = 8027830357 is a prime.

It is a super-2 number, since 2×8027830421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8027830451) 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, 599990 + ... + 613223.

It is an arithmetic number, because the mean of its divisors is an integer number (1082793495).

Almost surely, 2^8027830421 is an apocalyptic number.

It is an amenable number.

8027830421 is a deficient number, since it is larger than the sum of its proper divisors (634517539).

8027830421 is a wasteful number, since it uses less digits than its factorization.

8027830421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213735.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8027830421 is about 89598.1608125970. The cubic root of 8027830421 is about 2002.3165175872.

The spelling of 8027830421 in words is "eight billion, twenty-seven million, eight hundred thirty thousand, four hundred twenty-one".