84630827 has 2 divisors, whose sum is σ = 84630828. Its totient is φ = 84630826.

The previous prime is 84630809. The next prime is 84630853. The reversal of 84630827 is 72803648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84630827 - 2⁸ = 84630571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84630727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42315413 + 42315414.

It is an arithmetic number, because the mean of its divisors is an integer number (42315414).

Almost surely, 2^84630827 is an apocalyptic number.

84630827 is a deficient number, since it is larger than the sum of its proper divisors (1).

84630827 is an equidigital number, since it uses as much as digits as its factorization.

84630827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 84630827 is about 9199.5014538832. The cubic root of 84630827 is about 439.0454980233.

The spelling of 84630827 in words is "eighty-four million, six hundred thirty thousand, eight hundred twenty-seven".