706404487 has 2 divisors, whose sum is σ = 706404488. Its totient is φ = 706404486.

The previous prime is 706404449. The next prime is 706404509. The reversal of 706404487 is 784404607.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706404487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706404437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353202243 + 353202244.

It is an arithmetic number, because the mean of its divisors is an integer number (353202244).

Almost surely, 2^706404487 is an apocalyptic number.

706404487 is a deficient number, since it is larger than the sum of its proper divisors (1).

706404487 is an equidigital number, since it uses as much as digits as its factorization.

706404487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 706404487 is about 26578.2709558015. The cubic root of 706404487 is about 890.6036753643.

The spelling of 706404487 in words is "seven hundred six million, four hundred four thousand, four hundred eighty-seven".