85436443704 has 16 divisors (see below), whose sum is σ = 213591109320. Its totient is φ = 28478814560.

The previous prime is 85436443693. The next prime is 85436443751. The reversal of 85436443704 is 40734463458.

It is a super-2 number, since 2×85436443704² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779925887 + ... + 1779925934.

Almost surely, 2^85436443704 is an apocalyptic number.

It is an amenable number.

85436443704 is an abundant number, since it is smaller than the sum of its proper divisors (128154665616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85436443704 is a wasteful number, since it uses less digits than its factorization.

85436443704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559851830 (or 3559851826 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 48.

The spelling of 85436443704 in words is "eighty-five billion, four hundred thirty-six million, four hundred forty-three thousand, seven hundred four".