85478512 has 20 divisors (see below), whose sum is σ = 189274096. Its totient is φ = 36633600.

The previous prime is 85478483. The next prime is 85478521. The reversal of 85478512 is 21587458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381489 + ... + 381712.

Almost surely, 2^85478512 is an apocalyptic number.

It is an amenable number.

85478512 is an abundant number, since it is smaller than the sum of its proper divisors (103795584).

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

85478512 is a wasteful number, since it uses less digits than its factorization.

85478512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763216 (or 763210 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The square root of 85478512 is about 9245.4589934735. The cubic root of 85478512 is about 440.5064966233.

The spelling of 85478512 in words is "eighty-five million, four hundred seventy-eight thousand, five hundred twelve".