85872887 has 2 divisors, whose sum is σ = 85872888. Its totient is φ = 85872886.

The previous prime is 85872863. The next prime is 85872889. The reversal of 85872887 is 78827858.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85872887 - 2¹⁴ = 85856503 is a prime.

Together with 85872889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85872889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42936443 + 42936444.

It is an arithmetic number, because the mean of its divisors is an integer number (42936444).

Almost surely, 2^85872887 is an apocalyptic number.

85872887 is a deficient number, since it is larger than the sum of its proper divisors (1).

85872887 is an equidigital number, since it uses as much as digits as its factorization.

85872887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2007040, while the sum is 53.

The square root of 85872887 is about 9266.7624875142. The cubic root of 85872887 is about 441.1829171454.

The spelling of 85872887 in words is "eighty-five million, eight hundred seventy-two thousand, eight hundred eighty-seven".