8255984551 has 2 divisors, whose sum is σ = 8255984552. Its totient is φ = 8255984550.

The previous prime is 8255984537. The next prime is 8255984599. The reversal of 8255984551 is 1554895528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8255984551 - 2²¹ = 8253887399 is a prime.

It is a super-2 number, since 2×8255984551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8255984501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127992275 + 4127992276.

It is an arithmetic number, because the mean of its divisors is an integer number (4127992276).

Almost surely, 2^8255984551 is an apocalyptic number.

8255984551 is a deficient number, since it is larger than the sum of its proper divisors (1).

8255984551 is an equidigital number, since it uses as much as digits as its factorization.

8255984551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880000, while the sum is 52.

The square root of 8255984551 is about 90862.4485197268. The cubic root of 8255984551 is about 2021.1084782187.

The spelling of 8255984551 in words is "eight billion, two hundred fifty-five million, nine hundred eighty-four thousand, five hundred fifty-one".