85552990338 has 16 divisors (see below), whose sum is σ = 171590704416. Its totient is φ = 28436876160.

The previous prime is 85552990337. The next prime is 85552990339. The reversal of 85552990338 is 83309925558.

It is an interprime number because it is at equal distance from previous prime (85552990337) and next prime (85552990339).

It is not an unprimeable number, because it can be changed into a prime (85552990333) 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, 20194528 + ... + 20198763.

It is an arithmetic number, because the mean of its divisors is an integer number (10724419026).

Almost surely, 2^85552990338 is an apocalyptic number.

85552990338 is an abundant number, since it is smaller than the sum of its proper divisors (86037714078).

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

85552990338 is a wasteful number, since it uses less digits than its factorization.

85552990338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40393649.

The product of its (nonzero) digits is 11664000, while the sum is 57.

The spelling of 85552990338 in words is "eighty-five billion, five hundred fifty-two million, nine hundred ninety thousand, three hundred thirty-eight".