85408208 has 10 divisors (see below), whose sum is σ = 165478434. Its totient is φ = 42704096.

The previous prime is 85408199. The next prime is 85408217. The reversal of 85408208 is 80280458.

It is an interprime number because it is at equal distance from previous prime (85408199) and next prime (85408217).

It can be written as a sum of positive squares in only one way, i.e., 84787264 + 620944 = 9208^2 + 788^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2668991 + ... + 2669022.

Almost surely, 2^85408208 is an apocalyptic number.

It is an amenable number.

85408208 is a deficient number, since it is larger than the sum of its proper divisors (80070226).

85408208 is a wasteful number, since it uses less digits than its factorization.

85408208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338021 (or 5338015 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 85408208 is about 9241.6561286384. The cubic root of 85408208 is about 440.3856948669.

The spelling of 85408208 in words is "eighty-five million, four hundred eight thousand, two hundred eight".