84331579201 has 3 divisors (see below), whose sum is σ = 84331869601. Its totient is φ = 84331288802.

The previous prime is 84331579183. The next prime is 84331579207. The reversal of 84331579201 is 10297513348.

The square root of 84331579201 is 290399.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 84331579201 - 2⁹ = 84331578689 is a prime.

It is a super-2 number, since 2×84331579201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84331579207) 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 2 ways as a sum of consecutive naturals, for example, 145200 + ... + 435598.

Almost surely, 2^84331579201 is an apocalyptic number.

84331579201 is the 290399-th square number.

84331579201 is the 145200-th centered octagonal number.

It is an amenable number.

84331579201 is a deficient number, since it is larger than the sum of its proper divisors (290400).

84331579201 is an frugal number, since it uses more digits than its factorization.

84331579201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580798 (or 290399 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 84331579201 in words is "eighty-four billion, three hundred thirty-one million, five hundred seventy-nine thousand, two hundred one".