85908054139548 has 96 divisors (see below), whose sum is σ = 209534747208192. Its totient is φ = 27342914016000.

The previous prime is 85908054139541. The next prime is 85908054139549. The reversal of 85908054139548 is 84593145080958.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85908054139541) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 377253523 + ... + 377481173.

It is an arithmetic number, because the mean of its divisors is an integer number (2182653616752).

Almost surely, 2^{85908054139548} is an apocalyptic number.

It is an amenable number.

85908054139548 is an abundant number, since it is smaller than the sum of its proper divisors (123626693068644).

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

85908054139548 is a wasteful number, since it uses less digits than its factorization.

85908054139548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230075 (or 230073 counting only the distinct ones).

The product of its (nonzero) digits is 248832000, while the sum is 69.

The spelling of 85908054139548 in words is "eighty-five trillion, nine hundred eight billion, fifty-four million, one hundred thirty-nine thousand, five hundred forty-eight".