85173364 has 6 divisors (see below), whose sum is σ = 149053394. Its totient is φ = 42586680.

The previous prime is 85173331. The next prime is 85173373. The reversal of 85173364 is 46337158.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 5963364 = 8900^2 + 2442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10646667 + ... + 10646674.

Almost surely, 2^85173364 is an apocalyptic number.

It is an amenable number.

85173364 is a deficient number, since it is larger than the sum of its proper divisors (63880030).

85173364 is a wasteful number, since it uses less digits than its factorization.

85173364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21293345 (or 21293343 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 85173364 is about 9228.9416511321. The cubic root of 85173364 is about 439.9816865656.

It can be divided in two parts, 8517 and 3364, that added together give a square (11881 = 109²).

The spelling of 85173364 in words is "eighty-five million, one hundred seventy-three thousand, three hundred sixty-four".