84746221051 has 2 divisors, whose sum is σ = 84746221052. Its totient is φ = 84746221050.

The previous prime is 84746220997. The next prime is 84746221067. The reversal of 84746221051 is 15012264748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84746221051 - 2⁹ = 84746220539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84746220995 and 84746221013.

It is not a weakly prime, because it can be changed into another prime (84746227051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42373110525 + 42373110526.

It is an arithmetic number, because the mean of its divisors is an integer number (42373110526).

Almost surely, 2^84746221051 is an apocalyptic number.

84746221051 is a deficient number, since it is larger than the sum of its proper divisors (1).

84746221051 is an equidigital number, since it uses as much as digits as its factorization.

84746221051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 40.

Adding to 84746221051 its reverse (15012264748), we get a palindrome (99758485799).

The spelling of 84746221051 in words is "eighty-four billion, seven hundred forty-six million, two hundred twenty-one thousand, fifty-one".