84456428611 has 2 divisors, whose sum is σ = 84456428612. Its totient is φ = 84456428610.

The previous prime is 84456428597. The next prime is 84456428627. The reversal of 84456428611 is 11682465448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84456428611 - 2⁵ = 84456428579 is a prime.

It is not a weakly prime, because it can be changed into another prime (84456428411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42228214305 + 42228214306.

It is an arithmetic number, because the mean of its divisors is an integer number (42228214306).

Almost surely, 2^84456428611 is an apocalyptic number.

84456428611 is a deficient number, since it is larger than the sum of its proper divisors (1).

84456428611 is an equidigital number, since it uses as much as digits as its factorization.

84456428611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1474560, while the sum is 49.

The spelling of 84456428611 in words is "eighty-four billion, four hundred fifty-six million, four hundred twenty-eight thousand, six hundred eleven".