85904903 has 4 divisors (see below), whose sum is σ = 98177040. Its totient is φ = 73632768.

The previous prime is 85904887. The next prime is 85904941. The reversal of 85904903 is 30940958.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85904903 - 2⁴ = 85904887 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 (85904983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6136058 + ... + 6136071.

It is an arithmetic number, because the mean of its divisors is an integer number (24544260).

Almost surely, 2^85904903 is an apocalyptic number.

85904903 is a deficient number, since it is larger than the sum of its proper divisors (12272137).

85904903 is a wasteful number, since it uses less digits than its factorization.

85904903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12272136.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 85904903 is about 9268.4897906833. The cubic root of 85904903 is about 441.2377390949.

The spelling of 85904903 in words is "eighty-five million, nine hundred four thousand, nine hundred three".