85660712 has 8 divisors (see below), whose sum is σ = 160613850. Its totient is φ = 42830352.

The previous prime is 85660709. The next prime is 85660733. The reversal of 85660712 is 21706658.

It can be written as a sum of positive squares in only one way, i.e., 50779876 + 34880836 = 7126^2 + 5906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5353787 + ... + 5353802.

Almost surely, 2^85660712 is an apocalyptic number.

It is an amenable number.

85660712 is a deficient number, since it is larger than the sum of its proper divisors (74953138).

85660712 is a wasteful number, since it uses less digits than its factorization.

85660712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707595 (or 10707591 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 85660712 is about 9255.3072342305. The cubic root of 85660712 is about 440.8192587570.

The spelling of 85660712 in words is "eighty-five million, six hundred sixty thousand, seven hundred twelve".