84628455726447 has 36 divisors (see below), whose sum is σ = 124362421730664. Its totient is φ = 55456330001760.

The previous prime is 84628455726407. The next prime is 84628455726469. The reversal of 84628455726447 is 74462755482648.

84628455726447 is a `hidden beast` number, since 8 + 4 + 6 + 2 + 8 + 4 + 5 + 572 + 6 + 4 + 47 = 666.

84628455726447 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 84628455726447 - 2¹⁵ = 84628455693679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84628455726407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 279961528 + ... + 280263650.

Almost surely, 2^{84628455726447} is an apocalyptic number.

84628455726447 is a deficient number, since it is larger than the sum of its proper divisors (39733966004217).

84628455726447 is a wasteful number, since it uses less digits than its factorization.

84628455726447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311188 (or 311126 counting only the distinct ones).

The product of its digits is 2890137600, while the sum is 72.

The spelling of 84628455726447 in words is "eighty-four trillion, six hundred twenty-eight billion, four hundred fifty-five million, seven hundred twenty-six thousand, four hundred forty-seven".