82320475551443 has 2 divisors, whose sum is σ = 82320475551444. Its totient is φ = 82320475551442.

The previous prime is 82320475551397. The next prime is 82320475551491. The reversal of 82320475551443 is 34415557402328.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82320475551443 - 2¹² = 82320475547347 is a prime.

It is not a weakly prime, because it can be changed into another prime (82320475556443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41160237775721 + 41160237775722.

It is an arithmetic number, because the mean of its divisors is an integer number (41160237775722).

Almost surely, 2^{82320475551443} is an apocalyptic number.

82320475551443 is a deficient number, since it is larger than the sum of its proper divisors (1).

82320475551443 is an equidigital number, since it uses as much as digits as its factorization.

82320475551443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128000, while the sum is 53.

The spelling of 82320475551443 in words is "eighty-two trillion, three hundred twenty billion, four hundred seventy-five million, five hundred fifty-one thousand, four hundred forty-three".