85988967 has 4 divisors (see below), whose sum is σ = 114651960. Its totient is φ = 57325976.

The previous prime is 85988957. The next prime is 85988971. The reversal of 85988967 is 76988958.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85988967 - 2²² = 81794663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85988967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85988957) 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, 14331492 + ... + 14331497.

It is an arithmetic number, because the mean of its divisors is an integer number (28662990).

Almost surely, 2^85988967 is an apocalyptic number.

85988967 is a deficient number, since it is larger than the sum of its proper divisors (28662993).

85988967 is a wasteful number, since it uses less digits than its factorization.

85988967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28662992.

The product of its digits is 8709120, while the sum is 60.

The square root of 85988967 is about 9273.0236169224. The cubic root of 85988967 is about 441.3816195777.

Subtracting from 85988967 its reverse (76988958), we obtain a palindrome (9000009).

The spelling of 85988967 in words is "eighty-five million, nine hundred eighty-eight thousand, nine hundred sixty-seven".