85649882 has 8 divisors (see below), whose sum is σ = 128534196. Its totient is φ = 42805152.

The previous prime is 85649873. The next prime is 85649897. The reversal of 85649882 is 28894658.

It can be written as a sum of positive squares in 2 ways, for example, as 77070841 + 8579041 = 8779^2 + 2929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85649882² = 14671804573227848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85649882.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3713 + ... + 13604.

Almost surely, 2^85649882 is an apocalyptic number.

85649882 is a deficient number, since it is larger than the sum of its proper divisors (42884314).

85649882 is a wasteful number, since it uses less digits than its factorization.

85649882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19792.

The product of its digits is 1105920, while the sum is 50.

The square root of 85649882 is about 9254.7221460182. The cubic root of 85649882 is about 440.8006805248.

The spelling of 85649882 in words is "eighty-five million, six hundred forty-nine thousand, eight hundred eighty-two".