84143080307477 has 2 divisors, whose sum is σ = 84143080307478. Its totient is φ = 84143080307476.

The previous prime is 84143080307417. The next prime is 84143080307491. The reversal of 84143080307477 is 77470308034148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46130910816676 + 38012169490801 = 6791974^2 + 6165401^2 .

It is a cyclic number.

It is not a de Polignac number, because 84143080307477 - 2¹⁸ = 84143080045333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84143080307417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42071540153738 + 42071540153739.

It is an arithmetic number, because the mean of its divisors is an integer number (42071540153739).

Almost surely, 2^{84143080307477} is an apocalyptic number.

It is an amenable number.

84143080307477 is a deficient number, since it is larger than the sum of its proper divisors (1).

84143080307477 is an equidigital number, since it uses as much as digits as its factorization.

84143080307477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12644352, while the sum is 56.

The spelling of 84143080307477 in words is "eighty-four trillion, one hundred forty-three billion, eighty million, three hundred seven thousand, four hundred seventy-seven".