85699658 has 16 divisors (see below), whose sum is σ = 141928416. Its totient is φ = 38484240.

The previous prime is 85699657. The next prime is 85699673.

85699658 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (85699657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21641 + ... + 25292.

It is an arithmetic number, because the mean of its divisors is an integer number (8870526).

Almost surely, 2^85699658 is an apocalyptic number.

85699658 is a deficient number, since it is larger than the sum of its proper divisors (56228758).

85699658 is a wasteful number, since it uses less digits than its factorization.

85699658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47029.

The product of its digits is 4665600, while the sum is 56.

The square root of 85699658 is about 9257.4109771577. The cubic root of 85699658 is about 440.8860554064.

The spelling of 85699658 in words is "eighty-five million, six hundred ninety-nine thousand, six hundred fifty-eight".