85420312 has 32 divisors (see below), whose sum is σ = 168836400. Its totient is φ = 40453504.

The previous prime is 85420303. The next prime is 85420337. The reversal of 85420312 is 21302458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8823 + ... + 15769.

Almost surely, 2^85420312 is an apocalyptic number.

It is an amenable number.

85420312 is a deficient number, since it is larger than the sum of its proper divisors (83416088).

85420312 is a wasteful number, since it uses less digits than its factorization.

85420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035 (or 7031 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 85420312 is about 9242.3109664196. The cubic root of 85420312 is about 440.4064976164.

The spelling of 85420312 in words is "eighty-five million, four hundred twenty thousand, three hundred twelve".