85552990336 has 64 divisors (see below), whose sum is σ = 194015995200. Its totient is φ = 37196938240.

The previous prime is 85552990333. The next prime is 85552990337. The reversal of 85552990336 is 63309925558.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (85552990333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288531 + ... + 1353298.

It is an arithmetic number, because the mean of its divisors is an integer number (3031499925).

Almost surely, 2^85552990336 is an apocalyptic number.

It is an amenable number.

85552990336 is an abundant number, since it is smaller than the sum of its proper divisors (108463004864).

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

85552990336 is a wasteful number, since it uses less digits than its factorization.

85552990336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641877 (or 2641865 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 55.

The spelling of 85552990336 in words is "eighty-five billion, five hundred fifty-two million, nine hundred ninety thousand, three hundred thirty-six".