85763871 has 12 divisors (see below), whose sum is σ = 125274240. Its totient is φ = 56532960.

The previous prime is 85763869. The next prime is 85763879. The reversal of 85763871 is 17836758.

85763871 is a `hidden beast` number, since 8 + 5 + 7 + 638 + 7 + 1 = 666.

It is not a de Polignac number, because 85763871 - 2¹ = 85763869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85763879) 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, 52735 + ... + 54336.

It is an arithmetic number, because the mean of its divisors is an integer number (10439520).

Almost surely, 2^85763871 is an apocalyptic number.

85763871 is a deficient number, since it is larger than the sum of its proper divisors (39510369).

85763871 is a wasteful number, since it uses less digits than its factorization.

85763871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107166 (or 107163 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 85763871 is about 9260.8785220410. The cubic root of 85763871 is about 440.9961435484.

The spelling of 85763871 in words is "eighty-five million, seven hundred sixty-three thousand, eight hundred seventy-one".