85433912 has 8 divisors (see below), whose sum is σ = 160188600. Its totient is φ = 42716952.

The previous prime is 85433897. The next prime is 85433917. The reversal of 85433912 is 21933458.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85433917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5339612 + ... + 5339627.

It is an arithmetic number, because the mean of its divisors is an integer number (20023575).

Almost surely, 2^85433912 is an apocalyptic number.

It is an amenable number.

85433912 is a deficient number, since it is larger than the sum of its proper divisors (74754688).

85433912 is a wasteful number, since it uses less digits than its factorization.

85433912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679245 (or 10679241 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 85433912 is about 9243.0466838592. The cubic root of 85433912 is about 440.4298691479.

The spelling of 85433912 in words is "eighty-five million, four hundred thirty-three thousand, nine hundred twelve".