85782786 has 8 divisors (see below), whose sum is σ = 171565584. Its totient is φ = 28594260.

The previous prime is 85782773. The next prime is 85782791. The reversal of 85782786 is 68728758.

It is a sphenic number, since it is the product of 3 distinct primes.

85782786 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7148560 + ... + 7148571.

It is an arithmetic number, because the mean of its divisors is an integer number (21445698).

Almost surely, 2^85782786 is an apocalyptic number.

85782786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85782786 is a wasteful number, since it uses less digits than its factorization.

85782786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14297136.

The product of its digits is 1505280, while the sum is 51.

The square root of 85782786 is about 9261.8996971464. The cubic root of 85782786 is about 441.0285613517.

It can be divided in two parts, 85782 and 786, that added together give a palindrome (86568).

The spelling of 85782786 in words is "eighty-five million, seven hundred eighty-two thousand, seven hundred eighty-six".