84628140397 has 2 divisors, whose sum is σ = 84628140398. Its totient is φ = 84628140396.

The previous prime is 84628140383. The next prime is 84628140433. The reversal of 84628140397 is 79304182648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59996093481 + 24632046916 = 244941^2 + 156946^2 .

It is a cyclic number.

It is not a de Polignac number, because 84628140397 - 2¹¹ = 84628138349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84628140307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42314070198 + 42314070199.

It is an arithmetic number, because the mean of its divisors is an integer number (42314070199).

Almost surely, 2^84628140397 is an apocalyptic number.

It is an amenable number.

84628140397 is a deficient number, since it is larger than the sum of its proper divisors (1).

84628140397 is an equidigital number, since it uses as much as digits as its factorization.

84628140397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 84628140397 in words is "eighty-four billion, six hundred twenty-eight million, one hundred forty thousand, three hundred ninety-seven".