85381912 has 48 divisors (see below), whose sum is σ = 203168520. Its totient is φ = 33264000.

The previous prime is 85381897. The next prime is 85381913. The reversal of 85381912 is 21918358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85381913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5589 + ... + 14212.

Almost surely, 2^85381912 is an apocalyptic number.

It is an amenable number.

85381912 is an abundant number, since it is smaller than the sum of its proper divisors (117786608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85381912 is a wasteful number, since it uses less digits than its factorization.

85381912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19832 (or 19821 counting only the distinct ones).

The product of its digits is 17280, while the sum is 37.

The square root of 85381912 is about 9240.2333303873. The cubic root of 85381912 is about 440.3404940165.

The spelling of 85381912 in words is "eighty-five million, three hundred eighty-one thousand, nine hundred twelve".