85440577676 has 24 divisors (see below), whose sum is σ = 149740390800. Its totient is φ = 42657651200.

The previous prime is 85440577667. The next prime is 85440577679. The reversal of 85440577676 is 67677504458.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85440577679) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14604800 + ... + 14610648.

It is an arithmetic number, because the mean of its divisors is an integer number (6239182950).

Almost surely, 2^85440577676 is an apocalyptic number.

It is an amenable number.

85440577676 is a deficient number, since it is larger than the sum of its proper divisors (64299813124).

85440577676 is a wasteful number, since it uses less digits than its factorization.

85440577676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585 (or 10583 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 59.

The spelling of 85440577676 in words is "eighty-five billion, four hundred forty million, five hundred seventy-seven thousand, six hundred seventy-six".