88673670221 has 4 divisors (see below), whose sum is σ = 88757246844. Its totient is φ = 88590093600.

The previous prime is 88673670209. The next prime is 88673670223. The reversal of 88673670221 is 12207637688.

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 63008028196 + 25665642025 = 251014^2 + 160205^2 .

It is a cyclic number.

It is not a de Polignac number, because 88673670221 - 2¹⁰ = 88673669197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88673670221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88673670223) 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, 41786720 + ... + 41788841.

It is an arithmetic number, because the mean of its divisors is an integer number (22189311711).

Almost surely, 2^88673670221 is an apocalyptic number.

It is an amenable number.

88673670221 is a deficient number, since it is larger than the sum of its proper divisors (83576623).

88673670221 is a wasteful number, since it uses less digits than its factorization.

88673670221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83576622.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 88673670221 in words is "eighty-eight billion, six hundred seventy-three million, six hundred seventy thousand, two hundred twenty-one".