83223573280661 has 8 divisors (see below), whose sum is σ = 90826607254944. Its totient is φ = 75626748403920.

The previous prime is 83223573280571. The next prime is 83223573280703. The reversal of 83223573280661 is 16608237532238.

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 83223573280661 - 2⁴² = 78825526769557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83223573280597 and 83223573280606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83223573280261) 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, 1552246355 + ... + 1552299968.

It is an arithmetic number, because the mean of its divisors is an integer number (11353325906868).

Almost surely, 2^{83223573280661} is an apocalyptic number.

It is an amenable number.

83223573280661 is a deficient number, since it is larger than the sum of its proper divisors (7603033974283).

83223573280661 is a wasteful number, since it uses less digits than its factorization.

83223573280661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104548771.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 83223573280661 in words is "eighty-three trillion, two hundred twenty-three billion, five hundred seventy-three million, two hundred eighty thousand, six hundred sixty-one".