85005255257836 has 24 divisors (see below), whose sum is σ = 156642309909680. Its totient is φ = 40251843335232.

The previous prime is 85005255257743. The next prime is 85005255257837. The reversal of 85005255257836 is 63875255250058.

It is not an unprimeable number, because it can be changed into a prime (85005255257837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191497575 + ... + 191940958.

Almost surely, 2^{85005255257836} is an apocalyptic number.

It is an amenable number.

85005255257836 is a deficient number, since it is larger than the sum of its proper divisors (71637054651844).

85005255257836 is a wasteful number, since it uses less digits than its factorization.

85005255257836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383441473 (or 383441471 counting only the distinct ones).

The product of its (nonzero) digits is 100800000, while the sum is 61.

The spelling of 85005255257836 in words is "eighty-five trillion, five billion, two hundred fifty-five million, two hundred fifty-seven thousand, eight hundred thirty-six".