8104858221 has 16 divisors (see below), whose sum is σ = 10931876928. Its totient is φ = 5340720000.

The previous prime is 8104858207. The next prime is 8104858277. The reversal of 8104858221 is 1228584018.

It is not a de Polignac number, because 8104858221 - 2⁷ = 8104858093 is a prime.

It is a super-2 number, since 2×8104858221² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8104858221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8104858121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159850 + ... + 204356.

It is an arithmetic number, because the mean of its divisors is an integer number (683242308).

Almost surely, 2^8104858221 is an apocalyptic number.

It is an amenable number.

8104858221 is a deficient number, since it is larger than the sum of its proper divisors (2827018707).

8104858221 is a wasteful number, since it uses less digits than its factorization.

8104858221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45212.

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 8104858221 is about 90026.9860708443. The cubic root of 8104858221 is about 2008.7002827428.

The spelling of 8104858221 in words is "eight billion, one hundred four million, eight hundred fifty-eight thousand, two hundred twenty-one".