8252858857 has 4 divisors (see below), whose sum is σ = 8253199360. Its totient is φ = 8252518356.

The previous prime is 8252858833. The next prime is 8252858863. The reversal of 8252858857 is 7588582528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8252858857 - 2⁷ = 8252858729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8252858557) 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 3 ways as a sum of consecutive naturals, for example, 130857 + ... + 183382.

It is an arithmetic number, because the mean of its divisors is an integer number (2063299840).

Almost surely, 2^8252858857 is an apocalyptic number.

It is an amenable number.

8252858857 is a deficient number, since it is larger than the sum of its proper divisors (340503).

8252858857 is a wasteful number, since it uses less digits than its factorization.

8252858857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340502.

The product of its digits is 14336000, while the sum is 58.

The square root of 8252858857 is about 90845.2467496236. The cubic root of 8252858857 is about 2020.8533839083.

The spelling of 8252858857 in words is "eight billion, two hundred fifty-two million, eight hundred fifty-eight thousand, eight hundred fifty-seven".