85552895929 has 2 divisors, whose sum is σ = 85552895930. Its totient is φ = 85552895928.

The previous prime is 85552895927. The next prime is 85552896053. The reversal of 85552895929 is 92959825558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77463692329 + 8089203600 = 278323^2 + 89940^2 .

It is a cyclic number.

It is not a de Polignac number, because 85552895929 - 2¹ = 85552895927 is a prime.

Together with 85552895927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (85552895927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42776447964 + 42776447965.

It is an arithmetic number, because the mean of its divisors is an integer number (42776447965).

Almost surely, 2^85552895929 is an apocalyptic number.

It is an amenable number.

85552895929 is a deficient number, since it is larger than the sum of its proper divisors (1).

85552895929 is an equidigital number, since it uses as much as digits as its factorization.

85552895929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640000, while the sum is 67.

The spelling of 85552895929 in words is "eighty-five billion, five hundred fifty-two million, eight hundred ninety-five thousand, nine hundred twenty-nine".