85475313158 has 4 divisors (see below), whose sum is σ = 128212969740. Its totient is φ = 42737656578.

The previous prime is 85475313137. The next prime is 85475313191. The reversal of 85475313158 is 85131357458.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 21368828288 + ... + 21368828291.

It is an arithmetic number, because the mean of its divisors is an integer number (32053242435).

Almost surely, 2^85475313158 is an apocalyptic number.

85475313158 is a deficient number, since it is larger than the sum of its proper divisors (42737656582).

85475313158 is a wasteful number, since it uses less digits than its factorization.

85475313158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42737656581.

The product of its digits is 2016000, while the sum is 50.

The spelling of 85475313158 in words is "eighty-five billion, four hundred seventy-five million, three hundred thirteen thousand, one hundred fifty-eight".