8404379287 has 2 divisors, whose sum is σ = 8404379288. Its totient is φ = 8404379286.

The previous prime is 8404379261. The next prime is 8404379293. The reversal of 8404379287 is 7829734048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8404379287 - 2¹⁵ = 8404346519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8404379227) 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, 4202189643 + 4202189644.

It is an arithmetic number, because the mean of its divisors is an integer number (4202189644).

Almost surely, 2^8404379287 is an apocalyptic number.

8404379287 is a deficient number, since it is larger than the sum of its proper divisors (1).

8404379287 is an equidigital number, since it uses as much as digits as its factorization.

8404379287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The square root of 8404379287 is about 91675.4017553237. The cubic root of 8404379287 is about 2033.1459134757.

The spelling of 8404379287 in words is "eight billion, four hundred four million, three hundred seventy-nine thousand, two hundred eighty-seven".