85199452 has 24 divisors (see below), whose sum is σ = 167551776. Its totient is φ = 37612608.

The previous prime is 85199449. The next prime is 85199467. The reversal of 85199452 is 25499158.

It is a super-2 number, since 2×85199452² = 14517893242200608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85199399 and 85199408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34423 + ... + 36814.

It is an arithmetic number, because the mean of its divisors is an integer number (6981324).

Almost surely, 2^85199452 is an apocalyptic number.

It is an amenable number.

85199452 is a deficient number, since it is larger than the sum of its proper divisors (82352324).

85199452 is a wasteful number, since it uses less digits than its factorization.

85199452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71277 (or 71275 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 85199452 is about 9230.3549227535. The cubic root of 85199452 is about 440.0266030747.

It can be divided in two parts, 8519 and 9452, that added together give a palindrome (17971).

The spelling of 85199452 in words is "eighty-five million, one hundred ninety-nine thousand, four hundred fifty-two".