83472418017869 has 2 divisors, whose sum is σ = 83472418017870. Its totient is φ = 83472418017868.

The previous prime is 83472418017803. The next prime is 83472418017929. The reversal of 83472418017869 is 96871081427438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83413241617225 + 59176400644 = 9133085^2 + 243262^2 .

It is a cyclic number.

It is not a de Polignac number, because 83472418017869 - 2¹² = 83472418013773 is a prime.

It is a super-2 number, since 2×83472418017869² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83472418017799 and 83472418017808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83472418017269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41736209008934 + 41736209008935.

It is an arithmetic number, because the mean of its divisors is an integer number (41736209008935).

Almost surely, 2^{83472418017869} is an apocalyptic number.

It is an amenable number.

83472418017869 is a deficient number, since it is larger than the sum of its proper divisors (1).

83472418017869 is an equidigital number, since it uses as much as digits as its factorization.

83472418017869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 130056192, while the sum is 68.

The spelling of 83472418017869 in words is "eighty-three trillion, four hundred seventy-two billion, four hundred eighteen million, seventeen thousand, eight hundred sixty-nine".