84938828047 has 2 divisors, whose sum is σ = 84938828048. Its totient is φ = 84938828046.

The previous prime is 84938828021. The next prime is 84938828083. The reversal of 84938828047 is 74082883948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84938828047 - 2³⁵ = 50579089679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84938828087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42469414023 + 42469414024.

It is an arithmetic number, because the mean of its divisors is an integer number (42469414024).

Almost surely, 2^84938828047 is an apocalyptic number.

84938828047 is a deficient number, since it is larger than the sum of its proper divisors (1).

84938828047 is an equidigital number, since it uses as much as digits as its factorization.

84938828047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 84938828047 in words is "eighty-four billion, nine hundred thirty-eight million, eight hundred twenty-eight thousand, forty-seven".