84406624431 has 8 divisors (see below), whose sum is σ = 112543560960. Its totient is φ = 56270385432.

The previous prime is 84406624411. The next prime is 84406624433. The reversal of 84406624431 is 13442660448.

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

It is not a de Polignac number, because 84406624431 - 2¹¹ = 84406622383 is a prime.

It is a super-2 number, since 2×84406624431² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84406624433) by changing a digit.

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, 269080 + ... + 491138.

It is an arithmetic number, because the mean of its divisors is an integer number (14067945120).

Almost surely, 2^84406624431 is an apocalyptic number.

84406624431 is a deficient number, since it is larger than the sum of its proper divisors (28136936529).

84406624431 is a wasteful number, since it uses less digits than its factorization.

84406624431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348765.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 84406624431 in words is "eighty-four billion, four hundred six million, six hundred twenty-four thousand, four hundred thirty-one".