84080400005 has 8 divisors (see below), whose sum is σ = 115310262912. Its totient is φ = 57655131408.

The previous prime is 84080399999. The next prime is 84080400023. The reversal of 84080400005 is 50000408048.

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

It is not a de Polignac number, because 84080400005 - 2¹² = 84080395909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201148537 + ... + 1201148606.

It is an arithmetic number, because the mean of its divisors is an integer number (14413782864).

Almost surely, 2^84080400005 is an apocalyptic number.

It is an amenable number.

84080400005 is a deficient number, since it is larger than the sum of its proper divisors (31229862907).

84080400005 is a wasteful number, since it uses less digits than its factorization.

84080400005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402297155.

The product of its (nonzero) digits is 5120, while the sum is 29.

The spelling of 84080400005 in words is "eighty-four billion, eighty million, four hundred thousand, five".