85705108 has 6 divisors (see below), whose sum is σ = 149983946. Its totient is φ = 42852552.

The previous prime is 85705099. The next prime is 85705117. The reversal of 85705108 is 80150758.

It is an interprime number because it is at equal distance from previous prime (85705099) and next prime (85705117).

It can be written as a sum of positive squares in only one way, i.e., 69689104 + 16016004 = 8348^2 + 4002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10713135 + ... + 10713142.

Almost surely, 2^85705108 is an apocalyptic number.

It is an amenable number.

85705108 is a deficient number, since it is larger than the sum of its proper divisors (64278838).

85705108 is a wasteful number, since it uses less digits than its factorization.

85705108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21426281 (or 21426279 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 85705108 is about 9257.7053312362. The cubic root of 85705108 is about 440.8954011383.

The spelling of 85705108 in words is "eighty-five million, seven hundred five thousand, one hundred eight".