84822887 has 2 divisors, whose sum is σ = 84822888. Its totient is φ = 84822886.

The previous prime is 84822839. The next prime is 84822937. The reversal of 84822887 is 78822848.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84822887 - 2⁶ = 84822823 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 (84822817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42411443 + 42411444.

It is an arithmetic number, because the mean of its divisors is an integer number (42411444).

Almost surely, 2^84822887 is an apocalyptic number.

84822887 is a deficient number, since it is larger than the sum of its proper divisors (1).

84822887 is an equidigital number, since it uses as much as digits as its factorization.

84822887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 458752, while the sum is 47.

The square root of 84822887 is about 9209.9341474302. The cubic root of 84822887 is about 439.3773683139.

The spelling of 84822887 in words is "eighty-four million, eight hundred twenty-two thousand, eight hundred eighty-seven".