85776075 has 72 divisors (see below), whose sum is σ = 191582976. Its totient is φ = 35640000.

The previous prime is 85776073. The next prime is 85776077. The reversal of 85776075 is 57067758.

85776075 is a `hidden beast` number, since 8 + 577 + 6 + 0 + 75 = 666.

It is an interprime number because it is at equal distance from previous prime (85776073) and next prime (85776077).

It is not a de Polignac number, because 85776075 - 2¹ = 85776073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85776075.

It is not an unprimeable number, because it can be changed into a prime (85776071) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14850 + ... + 19800.

Almost surely, 2^85776075 is an apocalyptic number.

85776075 is an abundant number, since it is smaller than the sum of its proper divisors (105806901).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85776075 is a wasteful number, since it uses less digits than its factorization.

85776075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985 (or 4977 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The square root of 85776075 is about 9261.5373993738. The cubic root of 85776075 is about 441.0170601326.

The spelling of 85776075 in words is "eighty-five million, seven hundred seventy-six thousand, seventy-five".