85481693 has 4 divisors (see below), whose sum is σ = 93252768. Its totient is φ = 77710620.

The previous prime is 85481687. The next prime is 85481701. The reversal of 85481693 is 39618458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85481693 - 2⁴ = 85481677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85481623) 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 in 3 ways as a sum of consecutive naturals, for example, 3885521 + ... + 3885542.

It is an arithmetic number, because the mean of its divisors is an integer number (23313192).

Almost surely, 2^85481693 is an apocalyptic number.

It is an amenable number.

85481693 is a deficient number, since it is larger than the sum of its proper divisors (7771075).

85481693 is a wasteful number, since it uses less digits than its factorization.

85481693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771074.

The product of its digits is 207360, while the sum is 44.

The square root of 85481693 is about 9245.6310222721. The cubic root of 85481693 is about 440.5119608963.

The spelling of 85481693 in words is "eighty-five million, four hundred eighty-one thousand, six hundred ninety-three".