404888084947 has 2 divisors, whose sum is σ = 404888084948. Its totient is φ = 404888084946.

The previous prime is 404888084879. The next prime is 404888084981. The reversal of 404888084947 is 749480888404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404888084947 - 2¹⁹ = 404887560659 is a prime.

It is a super-2 number, since 2×404888084947² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (404888084347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202444042473 + 202444042474.

It is an arithmetic number, because the mean of its divisors is an integer number (202444042474).

Almost surely, 2^404888084947 is an apocalyptic number.

404888084947 is a deficient number, since it is larger than the sum of its proper divisors (1).

404888084947 is an equidigital number, since it uses as much as digits as its factorization.

404888084947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66060288, while the sum is 64.

The spelling of 404888084947 in words is "four hundred four billion, eight hundred eighty-eight million, eighty-four thousand, nine hundred forty-seven".