8280909887 has 2 divisors, whose sum is σ = 8280909888. Its totient is φ = 8280909886.

The previous prime is 8280909883. The next prime is 8280909911. The reversal of 8280909887 is 7889090828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8280909887 - 2² = 8280909883 is a prime.

It is a super-2 number, since 2×8280909887² (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 (8280909883) 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 as a sum of consecutive naturals, namely, 4140454943 + 4140454944.

It is an arithmetic number, because the mean of its divisors is an integer number (4140454944).

Almost surely, 2^8280909887 is an apocalyptic number.

8280909887 is a deficient number, since it is larger than the sum of its proper divisors (1).

8280909887 is an equidigital number, since it uses as much as digits as its factorization.

8280909887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 59.

The square root of 8280909887 is about 90999.5048722794. The cubic root of 8280909887 is about 2023.1403859234.

The spelling of 8280909887 in words is "eight billion, two hundred eighty million, nine hundred nine thousand, eight hundred eighty-seven".