84333147397 has 2 divisors, whose sum is σ = 84333147398. Its totient is φ = 84333147396.

The previous prime is 84333147391. The next prime is 84333147413. The reversal of 84333147397 is 79374133348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69637404321 + 14695743076 = 263889^2 + 121226^2 .

It is a cyclic number.

It is not a de Polignac number, because 84333147397 - 2¹⁵ = 84333114629 is a prime.

It is a super-2 number, since 2×84333147397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84333147391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42166573698 + 42166573699.

It is an arithmetic number, because the mean of its divisors is an integer number (42166573699).

Almost surely, 2^84333147397 is an apocalyptic number.

It is an amenable number.

84333147397 is a deficient number, since it is larger than the sum of its proper divisors (1).

84333147397 is an equidigital number, since it uses as much as digits as its factorization.

84333147397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 52.

The spelling of 84333147397 in words is "eighty-four billion, three hundred thirty-three million, one hundred forty-seven thousand, three hundred ninety-seven".