85331684 has 6 divisors (see below), whose sum is σ = 149330454. Its totient is φ = 42665840.

The previous prime is 85331677. The next prime is 85331693. The reversal of 85331684 is 48613358.

It can be written as a sum of positive squares in only one way, i.e., 44089600 + 41242084 = 6640^2 + 6422^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666457 + ... + 10666464.

It is an arithmetic number, because the mean of its divisors is an integer number (24888409).

Almost surely, 2^85331684 is an apocalyptic number.

It is an amenable number.

85331684 is a deficient number, since it is larger than the sum of its proper divisors (63998770).

85331684 is a wasteful number, since it uses less digits than its factorization.

85331684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21332925 (or 21332923 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 85331684 is about 9237.5150338173. The cubic root of 85331684 is about 440.2541300538.

The spelling of 85331684 in words is "eighty-five million, three hundred thirty-one thousand, six hundred eighty-four".