85461854404 has 12 divisors (see below), whose sum is σ = 149705891244. Its totient is φ = 42688742624.

The previous prime is 85461854399. The next prime is 85461854417. The reversal of 85461854404 is 40445816458.

It can be written as a sum of positive squares in 2 ways, for example, as 31934404804 + 53527449600 = 178702^2 + 231360^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10541587 + ... + 10549690.

It is an arithmetic number, because the mean of its divisors is an integer number (12475490937).

Almost surely, 2^85461854404 is an apocalyptic number.

It is an amenable number.

85461854404 is a deficient number, since it is larger than the sum of its proper divisors (64244036840).

85461854404 is a wasteful number, since it uses less digits than its factorization.

85461854404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21092294 (or 21092292 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 49.

The spelling of 85461854404 in words is "eighty-five billion, four hundred sixty-one million, eight hundred fifty-four thousand, four hundred four".