85872802 has 8 divisors (see below), whose sum is σ = 129221676. Its totient is φ = 42798912.

The previous prime is 85872779. The next prime is 85872803. The reversal of 85872802 is 20827858.

It can be written as a sum of positive squares in 2 ways, for example, as 78304801 + 7568001 = 8849^2 + 2751^2 .

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

It is not an unprimeable number, because it can be changed into a prime (85872803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67963 + ... + 69214.

Almost surely, 2^85872802 is an apocalyptic number.

85872802 is a deficient number, since it is larger than the sum of its proper divisors (43348874).

85872802 is a wasteful number, since it uses less digits than its factorization.

85872802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137492.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 85872802 is about 9266.7579012295. The cubic root of 85872802 is about 441.1827715792.

The spelling of 85872802 in words is "eighty-five million, eight hundred seventy-two thousand, eight hundred two".