408163878005 has 8 divisors (see below), whose sum is σ = 527473319352. Its totient is φ = 301413325248.

The previous prime is 408163877899. The next prime is 408163878013. The reversal of 408163878005 is 500878361804.

It can be written as a sum of positive squares in 4 ways, for example, as 15187851121 + 392976026884 = 123239^2 + 626878^2 .

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 408163878005 - 2⁸ = 408163877749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3139722074 + ... + 3139722203.

It is an arithmetic number, because the mean of its divisors is an integer number (65934164919).

Almost surely, 2^408163878005 is an apocalyptic number.

It is an amenable number.

408163878005 is a deficient number, since it is larger than the sum of its proper divisors (119309441347).

408163878005 is a wasteful number, since it uses less digits than its factorization.

408163878005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279444295.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 408163878005 in words is "four hundred eight billion, one hundred sixty-three million, eight hundred seventy-eight thousand, five".