85958782539 has 8 divisors (see below), whose sum is σ = 130984811520. Its totient is φ = 49119304296.

The previous prime is 85958782529. The next prime is 85958782571. The reversal of 85958782539 is 93528785958.

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

It is not a de Polignac number, because 85958782539 - 2²³ = 85950393931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85958782529) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2046637659 + ... + 2046637700.

It is an arithmetic number, because the mean of its divisors is an integer number (16373101440).

Almost surely, 2^85958782539 is an apocalyptic number.

85958782539 is a deficient number, since it is larger than the sum of its proper divisors (45026028981).

85958782539 is a wasteful number, since it uses less digits than its factorization.

85958782539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093275369.

The product of its digits is 217728000, while the sum is 69.

The spelling of 85958782539 in words is "eighty-five billion, nine hundred fifty-eight million, seven hundred eighty-two thousand, five hundred thirty-nine".