84058440173 has 2 divisors, whose sum is σ = 84058440174. Its totient is φ = 84058440172.

The previous prime is 84058440157. The next prime is 84058440181. The reversal of 84058440173 is 37104485048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52238302249 + 31820137924 = 228557^2 + 178382^2 .

It is a cyclic number.

It is not a de Polignac number, because 84058440173 - 2⁴ = 84058440157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84058440133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42029220086 + 42029220087.

It is an arithmetic number, because the mean of its divisors is an integer number (42029220087).

Almost surely, 2^84058440173 is an apocalyptic number.

It is an amenable number.

84058440173 is a deficient number, since it is larger than the sum of its proper divisors (1).

84058440173 is an equidigital number, since it uses as much as digits as its factorization.

84058440173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 84058440173 in words is "eighty-four billion, fifty-eight million, four hundred forty thousand, one hundred seventy-three".