84628455726407 has 2 divisors, whose sum is σ = 84628455726408. Its totient is φ = 84628455726406.

The previous prime is 84628455726391. The next prime is 84628455726469. The reversal of 84628455726407 is 70462755482648.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84628455726407 - 2⁴ = 84628455726391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84628455726487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42314227863203 + 42314227863204.

It is an arithmetic number, because the mean of its divisors is an integer number (42314227863204).

Almost surely, 2^{84628455726407} is an apocalyptic number.

84628455726407 is a deficient number, since it is larger than the sum of its proper divisors (1).

84628455726407 is an equidigital number, since it uses as much as digits as its factorization.

84628455726407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 722534400, while the sum is 68.

The spelling of 84628455726407 in words is "eighty-four trillion, six hundred twenty-eight billion, four hundred fifty-five million, seven hundred twenty-six thousand, four hundred seven".