85887867 has 8 divisors (see below), whose sum is σ = 123326224. Its totient is φ = 52854048.

The previous prime is 85887839. The next prime is 85887871. The reversal of 85887867 is 76878858.

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

It is not a de Polignac number, because 85887867 - 2¹⁴ = 85871483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85887827) 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, 1101088 + ... + 1101165.

It is an arithmetic number, because the mean of its divisors is an integer number (15415778).

Almost surely, 2^85887867 is an apocalyptic number.

85887867 is a deficient number, since it is larger than the sum of its proper divisors (37438357).

85887867 is a wasteful number, since it uses less digits than its factorization.

85887867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202269.

The product of its digits is 6021120, while the sum is 57.

The square root of 85887867 is about 9267.5707172916. The cubic root of 85887867 is about 441.2085695411.

Subtracting from 85887867 its reverse (76878858), we obtain a palindrome (9009009).

The spelling of 85887867 in words is "eighty-five million, eight hundred eighty-seven thousand, eight hundred sixty-seven".