82390058148661 has 2 divisors, whose sum is σ = 82390058148662. Its totient is φ = 82390058148660.

The previous prime is 82390058148569. The next prime is 82390058148701. The reversal of 82390058148661 is 16684185009328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46193350171761 + 36196707976900 = 6796569^2 + 6016370^2 .

It is a cyclic number.

It is not a de Polignac number, because 82390058148661 - 2³³ = 82381468214069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82390058148661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82390058188661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41195029074330 + 41195029074331.

It is an arithmetic number, because the mean of its divisors is an integer number (41195029074331).

Almost surely, 2^{82390058148661} is an apocalyptic number.

It is an amenable number.

82390058148661 is a deficient number, since it is larger than the sum of its proper divisors (1).

82390058148661 is an equidigital number, since it uses as much as digits as its factorization.

82390058148661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 82390058148661 in words is "eighty-two trillion, three hundred ninety billion, fifty-eight million, one hundred forty-eight thousand, six hundred sixty-one".