85508087544 has 48 divisors (see below), whose sum is σ = 252637533720. Its totient is φ = 25911541440.

The previous prime is 85508087537. The next prime is 85508087549. The reversal of 85508087544 is 44578080558.

85508087544 is a `hidden beast` number, since 8 + 5 + 508 + 0 + 87 + 54 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85508087549) 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 11 ways as a sum of consecutive naturals, for example, 53981587 + ... + 53983170.

Almost surely, 2^85508087544 is an apocalyptic number.

It is an amenable number.

85508087544 is an abundant number, since it is smaller than the sum of its proper divisors (167129446176).

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

85508087544 is a wasteful number, since it uses less digits than its factorization.

85508087544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107964780 (or 107964773 counting only the distinct ones).

The product of its (nonzero) digits is 7168000, while the sum is 54.

The spelling of 85508087544 in words is "eighty-five billion, five hundred eight million, eighty-seven thousand, five hundred forty-four".