85987898 has 16 divisors (see below), whose sum is σ = 131760000. Its totient is φ = 42074592.

The previous prime is 85987883. The next prime is 85987927. The reversal of 85987898 is 89878958.

It is a self number, because there is not a number n which added to its sum of digits gives 85987898.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26678 + ... + 29726.

It is an arithmetic number, because the mean of its divisors is an integer number (8235000).

Almost surely, 2^85987898 is an apocalyptic number.

85987898 is a deficient number, since it is larger than the sum of its proper divisors (45772102).

85987898 is a wasteful number, since it uses less digits than its factorization.

85987898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349.

The product of its digits is 11612160, while the sum is 62.

The square root of 85987898 is about 9272.9659764285. The cubic root of 85987898 is about 441.3797905101.

The spelling of 85987898 in words is "eighty-five million, nine hundred eighty-seven thousand, eight hundred ninety-eight".