404320056087 has 8 divisors (see below), whose sum is σ = 570804785136. Its totient is φ = 253691015552.

The previous prime is 404320056073. The next prime is 404320056089. The reversal of 404320056087 is 780650023404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404320056087 - 2¹⁹ = 404319531799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404320056089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963922068 + ... + 3963922169.

It is an arithmetic number, because the mean of its divisors is an integer number (71350598142).

Almost surely, 2^404320056087 is an apocalyptic number.

404320056087 is a deficient number, since it is larger than the sum of its proper divisors (166484729049).

404320056087 is a wasteful number, since it uses less digits than its factorization.

404320056087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927844257.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 404320056087 in words is "four hundred four billion, three hundred twenty million, fifty-six thousand, eighty-seven".