321882879061 has 2 divisors, whose sum is σ = 321882879062. Its totient is φ = 321882879060.

The previous prime is 321882879053. The next prime is 321882879077. The reversal of 321882879061 is 160978288123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295752156561 + 26130722500 = 543831^2 + 161650^2 .

It is a cyclic number.

It is not a de Polignac number, because 321882879061 - 2³ = 321882879053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321882878993 and 321882879011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321882879041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160941439530 + 160941439531.

It is an arithmetic number, because the mean of its divisors is an integer number (160941439531).

Almost surely, 2^321882879061 is an apocalyptic number.

It is an amenable number.

321882879061 is a deficient number, since it is larger than the sum of its proper divisors (1).

321882879061 is an equidigital number, since it uses as much as digits as its factorization.

321882879061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 321882879061 in words is "three hundred twenty-one billion, eight hundred eighty-two million, eight hundred seventy-nine thousand, sixty-one".