85021559748 has 36 divisors (see below), whose sum is σ = 215063857008. Its totient is φ = 28320970800.

The previous prime is 85021559699. The next prime is 85021559783. The reversal of 85021559748 is 84795512058.

85021559748 is a `hidden beast` number, since 8 + 5 + 0 + 2 + 1 + 5 + 597 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 85021559694 and 85021559703.

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 11 ways as a sum of consecutive naturals, for example, 761586 + ... + 866057.

It is an arithmetic number, because the mean of its divisors is an integer number (5973996028).

Almost surely, 2^85021559748 is an apocalyptic number.

It is an amenable number.

85021559748 is an abundant number, since it is smaller than the sum of its proper divisors (130042297260).

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

85021559748 is a wasteful number, since it uses less digits than its factorization.

85021559748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629104 (or 1629099 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 54.

The spelling of 85021559748 in words is "eighty-five billion, twenty-one million, five hundred fifty-nine thousand, seven hundred forty-eight".