8022783257 has 16 divisors (see below), whose sum is σ = 8323998480. Its totient is φ = 7727616000.

The previous prime is 8022783247. The next prime is 8022783277. The reversal of 8022783257 is 7523872208.

It can be written as a sum of positive squares in 8 ways, for example, as 5550736 + 8017232521 = 2356^2 + 89539^2 .

It is a cyclic number.

It is not a de Polignac number, because 8022783257 - 2²⁸ = 7754347801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8022783247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1940969 + ... + 1945097.

It is an arithmetic number, because the mean of its divisors is an integer number (520249905).

Almost surely, 2^8022783257 is an apocalyptic number.

It is an amenable number.

8022783257 is a deficient number, since it is larger than the sum of its proper divisors (301215223).

8022783257 is a wasteful number, since it uses less digits than its factorization.

8022783257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 8022783257 is about 89569.9908284019. The cubic root of 8022783257 is about 2001.8968052462.

The spelling of 8022783257 in words is "eight billion, twenty-two million, seven hundred eighty-three thousand, two hundred fifty-seven".