85520272 has 10 divisors (see below), whose sum is σ = 165695558. Its totient is φ = 42760128.

The previous prime is 85520269. The next prime is 85520291. The reversal of 85520272 is 27202558.

It can be written as a sum of positive squares in only one way, i.e., 60279696 + 25240576 = 7764^2 + 5024^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2672493 + ... + 2672524.

Almost surely, 2^85520272 is an apocalyptic number.

It is an amenable number.

85520272 is a deficient number, since it is larger than the sum of its proper divisors (80175286).

85520272 is a wasteful number, since it uses less digits than its factorization.

85520272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345025 (or 5345019 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 85520272 is about 9247.7171237014. The cubic root of 85520272 is about 440.5782205221.

The spelling of 85520272 in words is "eighty-five million, five hundred twenty thousand, two hundred seventy-two".