85140282158 has 16 divisors (see below), whose sum is σ = 135458231040. Its totient is φ = 40021745400.

The previous prime is 85140282137. The next prime is 85140282173. The reversal of 85140282158 is 85128204158.

It is a congruent number.

It is an unprimeable number.

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, 8546678 + ... + 8556633.

It is an arithmetic number, because the mean of its divisors is an integer number (8466139440).

Almost surely, 2^85140282158 is an apocalyptic number.

85140282158 is a deficient number, since it is larger than the sum of its proper divisors (50317948882).

85140282158 is a wasteful number, since it uses less digits than its factorization.

85140282158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17103463.

The product of its (nonzero) digits is 204800, while the sum is 44.

The spelling of 85140282158 in words is "eighty-five billion, one hundred forty million, two hundred eighty-two thousand, one hundred fifty-eight".