85908775 has 12 divisors (see below), whose sum is σ = 106781112. Its totient is φ = 68563040.

The previous prime is 85908773. The next prime is 85908791. The reversal of 85908775 is 57780958.

It is not a de Polignac number, because 85908775 - 2¹ = 85908773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85908773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7197 + ... + 14953.

It is an arithmetic number, because the mean of its divisors is an integer number (8898426).

Almost surely, 2^85908775 is an apocalyptic number.

85908775 is a deficient number, since it is larger than the sum of its proper divisors (20872337).

85908775 is a wasteful number, since it uses less digits than its factorization.

85908775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 85908775 is about 9268.6986680979. The cubic root of 85908775 is about 441.2443683124.

The spelling of 85908775 in words is "eighty-five million, nine hundred eight thousand, seven hundred seventy-five".