84512223701 has 4 divisors (see below), whose sum is σ = 84539409900. Its totient is φ = 84485037504.

The previous prime is 84512223637. The next prime is 84512223721. The reversal of 84512223701 is 10732221548.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16665519025 + 67846704676 = 129095^2 + 260474^2 .

It is a cyclic number.

It is not a de Polignac number, because 84512223701 - 2⁶ = 84512223637 is a prime.

It is a super-2 number, since 2×84512223701² (a number of 23 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 (84512223721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13588436 + ... + 13594653.

It is an arithmetic number, because the mean of its divisors is an integer number (21134852475).

Almost surely, 2^84512223701 is an apocalyptic number.

It is an amenable number.

84512223701 is a deficient number, since it is larger than the sum of its proper divisors (27186199).

84512223701 is a wasteful number, since it uses less digits than its factorization.

84512223701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27186198.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 84512223701 in words is "eighty-four billion, five hundred twelve million, two hundred twenty-three thousand, seven hundred one".