8406826487 has 2 divisors, whose sum is σ = 8406826488. Its totient is φ = 8406826486.

The previous prime is 8406826471. The next prime is 8406826513. The reversal of 8406826487 is 7846286048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8406826487 - 2⁴ = 8406826471 is a prime.

It is a super-2 number, since 2×8406826487² (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 (8406826457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4203413243 + 4203413244.

It is an arithmetic number, because the mean of its divisors is an integer number (4203413244).

Almost surely, 2^8406826487 is an apocalyptic number.

8406826487 is a deficient number, since it is larger than the sum of its proper divisors (1).

8406826487 is an equidigital number, since it uses as much as digits as its factorization.

8406826487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4128768, while the sum is 53.

The square root of 8406826487 is about 91688.7478756254. The cubic root of 8406826487 is about 2033.3432325028.

The spelling of 8406826487 in words is "eight billion, four hundred six million, eight hundred twenty-six thousand, four hundred eighty-seven".