85872885 has 16 divisors (see below), whose sum is σ = 157024896. Its totient is φ = 39256128.

The previous prime is 85872863. The next prime is 85872887. The reversal of 85872885 is 58827858.

It is not a de Polignac number, because 85872885 - 2¹⁰ = 85871861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85872887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408814 + ... + 409023.

It is an arithmetic number, because the mean of its divisors is an integer number (9814056).

Almost surely, 2^85872885 is an apocalyptic number.

It is an amenable number.

85872885 is a deficient number, since it is larger than the sum of its proper divisors (71152011).

85872885 is a wasteful number, since it uses less digits than its factorization.

85872885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817852.

The product of its digits is 1433600, while the sum is 51.

The square root of 85872885 is about 9266.7623796016. The cubic root of 85872885 is about 441.1829137203.

The spelling of 85872885 in words is "eighty-five million, eight hundred seventy-two thousand, eight hundred eighty-five".