8228536257 has 16 divisors (see below), whose sum is σ = 11173534848. Its totient is φ = 5384974080.

The previous prime is 8228536229. The next prime is 8228536339. The reversal of 8228536257 is 7526358228.

It is not a de Polignac number, because 8228536257 - 2⁶ = 8228536193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8228536157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47353 + ... + 136745.

It is an arithmetic number, because the mean of its divisors is an integer number (698345928).

Almost surely, 2^8228536257 is an apocalyptic number.

It is an amenable number.

8228536257 is a deficient number, since it is larger than the sum of its proper divisors (2944998591).

8228536257 is a wasteful number, since it uses less digits than its factorization.

8228536257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89960.

The product of its digits is 1612800, while the sum is 48.

The square root of 8228536257 is about 90711.2796569423. The cubic root of 8228536257 is about 2018.8661624511.

The spelling of 8228536257 in words is "eight billion, two hundred twenty-eight million, five hundred thirty-six thousand, two hundred fifty-seven".