85317308946 has 12 divisors (see below), whose sum is σ = 184854169422. Its totient is φ = 28439102976.

The previous prime is 85317308933. The next prime is 85317308953. The reversal of 85317308946 is 64980371358.

It can be written as a sum of positive squares in only one way, i.e., 48984755625 + 36332553321 = 221325^2 + 190611^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85317308892 and 85317308901.

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 5 ways as a sum of consecutive naturals, for example, 2369925231 + ... + 2369925266.

Almost surely, 2^85317308946 is an apocalyptic number.

85317308946 is an abundant number, since it is smaller than the sum of its proper divisors (99536860476).

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

85317308946 is a wasteful number, since it uses less digits than its factorization.

85317308946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739850505 (or 4739850502 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 85317308946 in words is "eighty-five billion, three hundred seventeen million, three hundred eight thousand, nine hundred forty-six".