83844881473 has 2 divisors, whose sum is σ = 83844881474. Its totient is φ = 83844881472.

The previous prime is 83844881431. The next prime is 83844881509. The reversal of 83844881473 is 37418844838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83464943409 + 379938064 = 288903^2 + 19492^2 .

It is a cyclic number.

It is not a de Polignac number, because 83844881473 - 2¹⁷ = 83844750401 is a prime.

It is not a weakly prime, because it can be changed into another prime (83844881173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41922440736 + 41922440737.

It is an arithmetic number, because the mean of its divisors is an integer number (41922440737).

Almost surely, 2^83844881473 is an apocalyptic number.

It is an amenable number.

83844881473 is a deficient number, since it is larger than the sum of its proper divisors (1).

83844881473 is an equidigital number, since it uses as much as digits as its factorization.

83844881473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16515072, while the sum is 58.

The spelling of 83844881473 in words is "eighty-three billion, eight hundred forty-four million, eight hundred eighty-one thousand, four hundred seventy-three".