85398586725 has 12 divisors (see below), whose sum is σ = 141192330176. Its totient is φ = 45545912880.

The previous prime is 85398586687. The next prime is 85398586739. The reversal of 85398586725 is 52768589358.

It is a happy number.

It is not a de Polignac number, because 85398586725 - 2⁷ = 85398586597 is a prime.

It is a super-2 number, since 2×85398586725² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 569323837 + ... + 569323986.

Almost surely, 2^85398586725 is an apocalyptic number.

It is an amenable number.

85398586725 is a deficient number, since it is larger than the sum of its proper divisors (55793743451).

85398586725 is a wasteful number, since it uses less digits than its factorization.

85398586725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138647836 (or 1138647831 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 66.

The spelling of 85398586725 in words is "eighty-five billion, three hundred ninety-eight million, five hundred eighty-six thousand, seven hundred twenty-five".