85552990339 has 2 divisors, whose sum is σ = 85552990340. Its totient is φ = 85552990338.

The previous prime is 85552990337. The next prime is 85552990343. The reversal of 85552990339 is 93309925558.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85552990339 - 2¹ = 85552990337 is a prime.

Together with 85552990337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (85552990333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42776495169 + 42776495170.

It is an arithmetic number, because the mean of its divisors is an integer number (42776495170).

Almost surely, 2^85552990339 is an apocalyptic number.

85552990339 is a deficient number, since it is larger than the sum of its proper divisors (1).

85552990339 is an equidigital number, since it uses as much as digits as its factorization.

85552990339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122000, while the sum is 58.

The spelling of 85552990339 in words is "eighty-five billion, five hundred fifty-two million, nine hundred ninety thousand, three hundred thirty-nine".