85683378 has 32 divisors (see below), whose sum is σ = 188159040. Its totient is φ = 25796160.

The previous prime is 85683373. The next prime is 85683421. The reversal of 85683378 is 87338658.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85683373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6228 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (5879970).

Almost surely, 2^85683378 is an apocalyptic number.

85683378 is an abundant number, since it is smaller than the sum of its proper divisors (102475662).

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

85683378 is a wasteful number, since it uses less digits than its factorization.

85683378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442.

The product of its digits is 967680, while the sum is 48.

The square root of 85683378 is about 9256.5316398746. The cubic root of 85683378 is about 440.8581358880.

The spelling of 85683378 in words is "eighty-five million, six hundred eighty-three thousand, three hundred seventy-eight".