85646312 has 8 divisors (see below), whose sum is σ = 160586850. Its totient is φ = 42823152.

The previous prime is 85646303. The next prime is 85646329. The reversal of 85646312 is 21364658.

It can be written as a sum of positive squares in only one way, i.e., 72148036 + 13498276 = 8494^2 + 3674^2 .

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, 5352887 + ... + 5352902.

Almost surely, 2^85646312 is an apocalyptic number.

It is an amenable number.

85646312 is a deficient number, since it is larger than the sum of its proper divisors (74940538).

85646312 is a wasteful number, since it uses less digits than its factorization.

85646312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705795 (or 10705791 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 85646312 is about 9254.5292694983. The cubic root of 85646312 is about 440.7945560552.

It can be divided in two parts, 85646 and 312, that added together give a palindrome (85958).

The spelling of 85646312 in words is "eighty-five million, six hundred forty-six thousand, three hundred twelve".