85488437 has 2 divisors, whose sum is σ = 85488438. Its totient is φ = 85488436.

The previous prime is 85488397. The next prime is 85488451. The reversal of 85488437 is 73488458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72012196 + 13476241 = 8486^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 85488437 - 2¹⁶ = 85422901 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85488391 and 85488400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85488497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42744218 + 42744219.

It is an arithmetic number, because the mean of its divisors is an integer number (42744219).

Almost surely, 2^85488437 is an apocalyptic number.

It is an amenable number.

85488437 is a deficient number, since it is larger than the sum of its proper divisors (1).

85488437 is an equidigital number, since it uses as much as digits as its factorization.

85488437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 860160, while the sum is 47.

The square root of 85488437 is about 9245.9957278813. The cubic root of 85488437 is about 440.5235451878.

The spelling of 85488437 in words is "eighty-five million, four hundred eighty-eight thousand, four hundred thirty-seven".