84808247 has 2 divisors, whose sum is σ = 84808248. Its totient is φ = 84808246.

The previous prime is 84808237. The next prime is 84808271. The reversal of 84808247 is 74280848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84808247 - 2⁶ = 84808183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84808237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42404123 + 42404124.

It is an arithmetic number, because the mean of its divisors is an integer number (42404124).

Almost surely, 2^84808247 is an apocalyptic number.

84808247 is a deficient number, since it is larger than the sum of its proper divisors (1).

84808247 is an equidigital number, since it uses as much as digits as its factorization.

84808247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 84808247 is about 9209.1393191764. The cubic root of 84808247 is about 439.3520887578.

The spelling of 84808247 in words is "eighty-four million, eight hundred eight thousand, two hundred forty-seven".