85689803 has 2 divisors, whose sum is σ = 85689804. Its totient is φ = 85689802.

The previous prime is 85689767. The next prime is 85689833. The reversal of 85689803 is 30898658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85689803 - 2⁸ = 85689547 is a prime.

It is a super-3 number, since 3×85689803³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85689833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42844901 + 42844902.

It is an arithmetic number, because the mean of its divisors is an integer number (42844902).

Almost surely, 2^85689803 is an apocalyptic number.

85689803 is a deficient number, since it is larger than the sum of its proper divisors (1).

85689803 is an equidigital number, since it uses as much as digits as its factorization.

85689803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 85689803 is about 9256.8786856046. The cubic root of 85689803 is about 440.8691549164.

The spelling of 85689803 in words is "eighty-five million, six hundred eighty-nine thousand, eight hundred three".