84981520430 has 8 divisors (see below), whose sum is σ = 152966736792. Its totient is φ = 33992608168.

The previous prime is 84981520357. The next prime is 84981520483. The reversal of 84981520430 is 3402518948.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 4249076012 + ... + 4249076031.

It is an arithmetic number, because the mean of its divisors is an integer number (19120842099).

Almost surely, 2^84981520430 is an apocalyptic number.

84981520430 is a deficient number, since it is larger than the sum of its proper divisors (67985216362).

84981520430 is a wasteful number, since it uses less digits than its factorization.

84981520430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8498152050.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 84981520430 in words is "eighty-four billion, nine hundred eighty-one million, five hundred twenty thousand, four hundred thirty".