85352820544 has 14 divisors (see below), whose sum is σ = 169372003394. Its totient is φ = 42676410240.

The previous prime is 85352820493. The next prime is 85352820589. The reversal of 85352820544 is 44502825358.

It can be written as a sum of positive squares in only one way, i.e., 85310726400 + 42094144 = 292080^2 + 6488^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85352820494 and 85352820503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666818847 + ... + 666818974.

Almost surely, 2^85352820544 is an apocalyptic number.

It is an amenable number.

85352820544 is a deficient number, since it is larger than the sum of its proper divisors (84019182850).

85352820544 is a wasteful number, since it uses less digits than its factorization.

85352820544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333637833 (or 1333637823 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 46.

The spelling of 85352820544 in words is "eighty-five billion, three hundred fifty-two million, eight hundred twenty thousand, five hundred forty-four".