85688732652 has 12 divisors (see below), whose sum is σ = 199940376216. Its totient is φ = 28562910880.

The previous prime is 85688732621. The next prime is 85688732669. The reversal of 85688732652 is 25623788658.

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

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, 3570363849 + ... + 3570363872.

It is an arithmetic number, because the mean of its divisors is an integer number (16661698018).

Almost surely, 2^85688732652 is an apocalyptic number.

It is an amenable number.

85688732652 is an abundant number, since it is smaller than the sum of its proper divisors (114251643564).

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

85688732652 is a wasteful number, since it uses less digits than its factorization.

85688732652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7140727728 (or 7140727726 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 60.

The spelling of 85688732652 in words is "eighty-five billion, six hundred eighty-eight million, seven hundred thirty-two thousand, six hundred fifty-two".