84254304247 has 2 divisors, whose sum is σ = 84254304248. Its totient is φ = 84254304246.

The previous prime is 84254304187. The next prime is 84254304257. The reversal of 84254304247 is 74240345248.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84254304247 - 2³¹ = 82106820599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84254304257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42127152123 + 42127152124.

It is an arithmetic number, because the mean of its divisors is an integer number (42127152124).

Almost surely, 2^84254304247 is an apocalyptic number.

84254304247 is a deficient number, since it is larger than the sum of its proper divisors (1).

84254304247 is an equidigital number, since it uses as much as digits as its factorization.

84254304247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 43.

The spelling of 84254304247 in words is "eighty-four billion, two hundred fifty-four million, three hundred four thousand, two hundred forty-seven".