85153830439540 has 48 divisors (see below), whose sum is σ = 179091783158400. Its totient is φ = 34010346344832.

The previous prime is 85153830439451. The next prime is 85153830439541. The reversal of 85153830439540 is 4593403835158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85153830439541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887350081 + ... + 887446039.

It is an arithmetic number, because the mean of its divisors is an integer number (3731078815800).

Almost surely, 2^{85153830439540} is an apocalyptic number.

It is an amenable number.

85153830439540 is an abundant number, since it is smaller than the sum of its proper divisors (93937952718860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85153830439540 is a wasteful number, since it uses less digits than its factorization.

85153830439540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162184 (or 162182 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 58.

The spelling of 85153830439540 in words is "eighty-five trillion, one hundred fifty-three billion, eight hundred thirty million, four hundred thirty-nine thousand, five hundred forty".