7782286086 has 80 divisors (see below), whose sum is σ = 17792082000. Its totient is φ = 2541730752.

The previous prime is 7782286081. The next prime is 7782286087. The reversal of 7782286086 is 6806822877.

7782286086 is a `hidden beast` number, since 7 + 7 + 8 + 2 + 28 + 608 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7782286081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3334576 + ... + 3336908.

It is an arithmetic number, because the mean of its divisors is an integer number (222401025).

Almost surely, 2^7782286086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7782286086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8896041000).

7782286086 is an abundant number, since it is smaller than the sum of its proper divisors (10009795914).

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

7782286086 is a wasteful number, since it uses less digits than its factorization.

7782286086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 7782286086 is about 88217.2663711589. The cubic root of 7782286086 is about 1981.6900583925.

The spelling of 7782286086 in words is "seven billion, seven hundred eighty-two million, two hundred eighty-six thousand, eighty-six".