8859021321 has 8 divisors (see below), whose sum is σ = 11818898784. Its totient is φ = 5902579040.

The previous prime is 8859021287. The next prime is 8859021359. The reversal of 8859021321 is 1231209588.

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

It is a cyclic number.

It is not a de Polignac number, because 8859021321 - 2¹⁹ = 8858497033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8859021321.

It is not an unprimeable number, because it can be changed into a prime (8859021371) 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, 852771 + ... + 863096.

It is an arithmetic number, because the mean of its divisors is an integer number (1477362348).

Almost surely, 2^8859021321 is an apocalyptic number.

It is an amenable number.

8859021321 is a deficient number, since it is larger than the sum of its proper divisors (2959877463).

8859021321 is a wasteful number, since it uses less digits than its factorization.

8859021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717591.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 8859021321 is about 94122.3741785129. The cubic root of 8859021321 is about 2069.1655968635.

The spelling of 8859021321 in words is "eight billion, eight hundred fifty-nine million, twenty-one thousand, three hundred twenty-one".