8083221427 has 4 divisors (see below), whose sum is σ = 8220225240. Its totient is φ = 7946217616.

The previous prime is 8083221409. The next prime is 8083221431. The reversal of 8083221427 is 7241223808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8083221427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8083221437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68501818 + ... + 68501935.

It is an arithmetic number, because the mean of its divisors is an integer number (2055056310).

Almost surely, 2^8083221427 is an apocalyptic number.

8083221427 is a deficient number, since it is larger than the sum of its proper divisors (137003813).

8083221427 is a wasteful number, since it uses less digits than its factorization.

8083221427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137003812.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 8083221427 is about 89906.7373838023. The cubic root of 8083221427 is about 2006.9112090023.

The spelling of 8083221427 in words is "eight billion, eighty-three million, two hundred twenty-one thousand, four hundred twenty-seven".