85725503785 has 8 divisors (see below), whose sum is σ = 104110009920. Its totient is φ = 67754132784.

The previous prime is 85725503779. The next prime is 85725503803. The reversal of 85725503785 is 58730552758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85725503785 - 2¹⁵ = 85725471017 is a prime.

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, 103283325 + ... + 103284154.

It is an arithmetic number, because the mean of its divisors is an integer number (13013751240).

Almost surely, 2^85725503785 is an apocalyptic number.

It is an amenable number.

85725503785 is a deficient number, since it is larger than the sum of its proper divisors (18384506135).

85725503785 is a wasteful number, since it uses less digits than its factorization.

85725503785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206567567.

The product of its (nonzero) digits is 11760000, while the sum is 55.

The spelling of 85725503785 in words is "eighty-five billion, seven hundred twenty-five million, five hundred three thousand, seven hundred eighty-five".