84057430543926 has 64 divisors (see below), whose sum is σ = 209995467632640. Its totient is φ = 21874527866880.

The previous prime is 84057430543907. The next prime is 84057430543949. The reversal of 84057430543926 is 62934503475048.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84057430543926.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1898808411 + ... + 1898852678.

It is an arithmetic number, because the mean of its divisors is an integer number (3281179181760).

Almost surely, 2^{84057430543926} is an apocalyptic number.

84057430543926 is an abundant number, since it is smaller than the sum of its proper divisors (125938037088714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84057430543926 is a wasteful number, since it uses less digits than its factorization.

84057430543926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797661149.

The product of its (nonzero) digits is 87091200, while the sum is 60.

The spelling of 84057430543926 in words is "eighty-four trillion, fifty-seven billion, four hundred thirty million, five hundred forty-three thousand, nine hundred twenty-six".