85699699699658 has 32 divisors (see below), whose sum is σ = 141572156451840. Its totient is φ = 38583350936560.

The previous prime is 85699699699591. The next prime is 85699699699703.

85699699699658 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×85699699699658² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9693485 + ... + 16289967.

It is an arithmetic number, because the mean of its divisors is an integer number (4424129889120).

Almost surely, 2^{85699699699658} is an apocalyptic number.

85699699699658 is a deficient number, since it is larger than the sum of its proper divisors (55872456752182).

85699699699658 is a wasteful number, since it uses less digits than its factorization.

85699699699658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602122.

The product of its digits is 1101996057600, while the sum is 104.

The spelling of 85699699699658 in words is "eighty-five trillion, six hundred ninety-nine billion, six hundred ninety-nine million, six hundred ninety-nine thousand, six hundred fifty-eight".