84544521047 has 8 divisors (see below), whose sum is σ = 96726324000. Its totient is φ = 72388721664.

The previous prime is 84544521029. The next prime is 84544521067. The reversal of 84544521047 is 74012544548.

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

It is not a de Polignac number, because 84544521047 - 2⁸ = 84544520791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84544520989 and 84544521007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84544521067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6493922 + ... + 6506927.

It is an arithmetic number, because the mean of its divisors is an integer number (12090790500).

Almost surely, 2^84544521047 is an apocalyptic number.

84544521047 is a deficient number, since it is larger than the sum of its proper divisors (12181802953).

84544521047 is a wasteful number, since it uses less digits than its factorization.

84544521047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13001785.

The product of its (nonzero) digits is 716800, while the sum is 44.

The spelling of 84544521047 in words is "eighty-four billion, five hundred forty-four million, five hundred twenty-one thousand, forty-seven".