85135384 has 32 divisors (see below), whose sum is σ = 163620000. Its totient is φ = 41513472.

The previous prime is 85135381. The next prime is 85135417. The reversal of 85135384 is 48353158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85135381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83872 + ... + 84880.

It is an arithmetic number, because the mean of its divisors is an integer number (5113125).

Almost surely, 2^85135384 is an apocalyptic number.

It is an amenable number.

85135384 is a deficient number, since it is larger than the sum of its proper divisors (78484616).

85135384 is a wasteful number, since it uses less digits than its factorization.

85135384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1263 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 85135384 is about 9226.8837643053. The cubic root of 85135384 is about 439.9162788368.

The spelling of 85135384 in words is "eighty-five million, one hundred thirty-five thousand, three hundred eighty-four".