85552990364 has 24 divisors (see below), whose sum is σ = 155216476800. Its totient is φ = 41211826880.

The previous prime is 85552990363. The next prime is 85552990387. The reversal of 85552990364 is 46309925558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85552990363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 746444 + ... + 853395.

It is an arithmetic number, because the mean of its divisors is an integer number (6467353200).

Almost surely, 2^85552990364 is an apocalyptic number.

It is an amenable number.

85552990364 is a deficient number, since it is larger than the sum of its proper divisors (69663486436).

85552990364 is a wasteful number, since it uses less digits than its factorization.

85552990364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600333 (or 1600331 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 85552990364 in words is "eighty-five billion, five hundred fifty-two million, nine hundred ninety thousand, three hundred sixty-four".