85375771 has 4 divisors (see below), whose sum is σ = 91943152. Its totient is φ = 78808392.

The previous prime is 85375757. The next prime is 85375781. The reversal of 85375771 is 17757358.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85375771 - 2⁹ = 85375259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85375711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283671 + ... + 3283696.

It is an arithmetic number, because the mean of its divisors is an integer number (22985788).

Almost surely, 2^85375771 is an apocalyptic number.

85375771 is a deficient number, since it is larger than the sum of its proper divisors (6567381).

85375771 is a wasteful number, since it uses less digits than its factorization.

85375771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567380.

The product of its digits is 205800, while the sum is 43.

The square root of 85375771 is about 9239.9010276085. The cubic root of 85375771 is about 440.3299367617.

The spelling of 85375771 in words is "eighty-five million, three hundred seventy-five thousand, seven hundred seventy-one".