85730532564 has 12 divisors (see below), whose sum is σ = 200037909344. Its totient is φ = 28576844184.

The previous prime is 85730532553. The next prime is 85730532571. The reversal of 85730532564 is 46523503758.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572105512 + ... + 3572105535.

Almost surely, 2^85730532564 is an apocalyptic number.

It is an amenable number.

85730532564 is an abundant number, since it is smaller than the sum of its proper divisors (114307376780).

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

85730532564 is a wasteful number, since it uses less digits than its factorization.

85730532564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144211054 (or 7144211052 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 85730532564 in words is "eighty-five billion, seven hundred thirty million, five hundred thirty-two thousand, five hundred sixty-four".