8257422047 has 16 divisors (see below), whose sum is σ = 9600353280. Its totient is φ = 6956271168.

The previous prime is 8257422031. The next prime is 8257422067. The reversal of 8257422047 is 7402247528.

It is not a de Polignac number, because 8257422047 - 2⁴ = 8257422031 is a prime.

It is a super-3 number, since 3×8257422047³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8257421995 and 8257422013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8257422007) 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, 64358 + ... + 143724.

It is an arithmetic number, because the mean of its divisors is an integer number (600022080).

Almost surely, 2^8257422047 is an apocalyptic number.

8257422047 is a deficient number, since it is larger than the sum of its proper divisors (1342931233).

8257422047 is a wasteful number, since it uses less digits than its factorization.

8257422047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79630.

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 8257422047 is about 90870.3584619319. The cubic root of 8257422047 is about 2021.2257736073.

The spelling of 8257422047 in words is "eight billion, two hundred fifty-seven million, four hundred twenty-two thousand, forty-seven".