85401063 has 24 divisors (see below), whose sum is σ = 138917376. Its totient is φ = 50086800.

The previous prime is 85401059. The next prime is 85401077. The reversal of 85401063 is 36010458.

It is not a de Polignac number, because 85401063 - 2² = 85401059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85401083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10845 + ... + 16982.

It is an arithmetic number, because the mean of its divisors is an integer number (5788224).

Almost surely, 2^85401063 is an apocalyptic number.

85401063 is a deficient number, since it is larger than the sum of its proper divisors (53516313).

85401063 is a wasteful number, since it uses less digits than its factorization.

85401063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27875 (or 27872 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 85401063 is about 9241.2695556401. The cubic root of 85401063 is about 440.3734140663.

The spelling of 85401063 in words is "eighty-five million, four hundred one thousand, sixty-three".