8587403849 has 2 divisors, whose sum is σ = 8587403850. Its totient is φ = 8587403848.

The previous prime is 8587403833. The next prime is 8587403857. The reversal of 8587403849 is 9483047858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8360359225 + 227044624 = 91435^2 + 15068^2 .

It is a cyclic number.

It is not a de Polignac number, because 8587403849 - 2⁴ = 8587403833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8587403794 and 8587403803.

It is not a weakly prime, because it can be changed into another prime (8587403879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4293701924 + 4293701925.

It is an arithmetic number, because the mean of its divisors is an integer number (4293701925).

Almost surely, 2^8587403849 is an apocalyptic number.

It is an amenable number.

8587403849 is a deficient number, since it is larger than the sum of its proper divisors (1).

8587403849 is an equidigital number, since it uses as much as digits as its factorization.

8587403849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The square root of 8587403849 is about 92668.2461741885. The cubic root of 8587403849 is about 2047.7988548617.

The spelling of 8587403849 in words is "eight billion, five hundred eighty-seven million, four hundred three thousand, eight hundred forty-nine".