8452687782 has 64 divisors (see below), whose sum is σ = 21182976000. Its totient is φ = 2184446880.

The previous prime is 8452687781. The next prime is 8452687783. The reversal of 8452687782 is 2877862548.

It is an interprime number because it is at equal distance from previous prime (8452687781) and next prime (8452687783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8452687781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45969 + ... + 137907.

It is an arithmetic number, because the mean of its divisors is an integer number (330984000).

Almost surely, 2^8452687782 is an apocalyptic number.

It is a pronic number, being equal to 91938×91939.

It is a practical number, because each smaller number is the sum of distinct divisors of 8452687782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10591488000).

8452687782 is an abundant number, since it is smaller than the sum of its proper divisors (12730288218).

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

8452687782 is a wasteful number, since it uses less digits than its factorization.

8452687782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92161.

The product of its digits is 12042240, while the sum is 57.

The square root of 8452687782 is about 91938.4999986404. The cubic root of 8452687782 is about 2037.0339908662.

The spelling of 8452687782 in words is "eight billion, four hundred fifty-two million, six hundred eighty-seven thousand, seven hundred eighty-two".