86044330973 has 2 divisors, whose sum is σ = 86044330974. Its totient is φ = 86044330972.

The previous prime is 86044330951. The next prime is 86044330993. The reversal of 86044330973 is 37903344068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71552505049 + 14491825924 = 267493^2 + 120382^2 .

It is a cyclic number.

It is not a de Polignac number, because 86044330973 - 2⁸ = 86044330717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86044330993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43022165486 + 43022165487.

It is an arithmetic number, because the mean of its divisors is an integer number (43022165487).

Almost surely, 2^86044330973 is an apocalyptic number.

It is an amenable number.

86044330973 is a deficient number, since it is larger than the sum of its proper divisors (1).

86044330973 is an equidigital number, since it uses as much as digits as its factorization.

86044330973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 86044330973 in words is "eighty-six billion, forty-four million, three hundred thirty thousand, nine hundred seventy-three".