84400708324 has 9 divisors (see below), whose sum is σ = 147702256387. Its totient is φ = 42200063644.

The previous prime is 84400708319. The next prime is 84400708361. The reversal of 84400708324 is 42380700448.

The square root of 84400708324 is 290518.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 508407 + ... + 653665.

Almost surely, 2^84400708324 is an apocalyptic number.

84400708324 is the 290518-th square number.

It is an amenable number.

84400708324 is a deficient number, since it is larger than the sum of its proper divisors (63301548063).

84400708324 is an frugal number, since it uses more digits than its factorization.

84400708324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290522 (or 145261 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 84400708324 in words is "eighty-four billion, four hundred million, seven hundred eight thousand, three hundred twenty-four".