85904463 has 4 divisors (see below), whose sum is σ = 114539288. Its totient is φ = 57269640.

The previous prime is 85904459. The next prime is 85904473. The reversal of 85904463 is 36440958.

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

It is not a de Polignac number, because 85904463 - 2² = 85904459 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 (85904443) 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, 14317408 + ... + 14317413.

It is an arithmetic number, because the mean of its divisors is an integer number (28634822).

Almost surely, 2^85904463 is an apocalyptic number.

85904463 is a deficient number, since it is larger than the sum of its proper divisors (28634825).

85904463 is a wasteful number, since it uses less digits than its factorization.

85904463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28634824.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 85904463 is about 9268.4660543156. The cubic root of 85904463 is about 441.2369857622.

The spelling of 85904463 in words is "eighty-five million, nine hundred four thousand, four hundred sixty-three".