8220405127 has 4 divisors (see below), whose sum is σ = 8967714696. Its totient is φ = 7473095560.

The previous prime is 8220405077. The next prime is 8220405133. The reversal of 8220405127 is 7215040228.

It is a happy number.

8220405127 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8220405127 - 2¹⁵ = 8220372359 is a prime.

It is a super-2 number, since 2×8220405127² (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 (8220405187) 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, 373654768 + ... + 373654789.

It is an arithmetic number, because the mean of its divisors is an integer number (2241928674).

Almost surely, 2^8220405127 is an apocalyptic number.

8220405127 is a deficient number, since it is larger than the sum of its proper divisors (747309569).

8220405127 is a wasteful number, since it uses less digits than its factorization.

8220405127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747309568.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 8220405127 is about 90666.4498422652. The cubic root of 8220405127 is about 2018.2009540921.

The spelling of 8220405127 in words is "eight billion, two hundred twenty million, four hundred five thousand, one hundred twenty-seven".