85870873 has 8 divisors (see below), whose sum is σ = 93749760. Its totient is φ = 78004080.

The previous prime is 85870793. The next prime is 85870877. The reversal of 85870873 is 37807858.

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

It is not a de Polignac number, because 85870873 - 2⁹ = 85870361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85870877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18568 + ... + 22726.

It is an arithmetic number, because the mean of its divisors is an integer number (11718720).

Almost surely, 2^85870873 is an apocalyptic number.

It is an amenable number.

85870873 is a deficient number, since it is larger than the sum of its proper divisors (7878887).

85870873 is a wasteful number, since it uses less digits than its factorization.

85870873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 85870873 is about 9266.6538189359. The cubic root of 85870873 is about 441.1794680577.

The spelling of 85870873 in words is "eighty-five million, eight hundred seventy thousand, eight hundred seventy-three".