84828473 has 2 divisors, whose sum is σ = 84828474. Its totient is φ = 84828472.

The previous prime is 84828449. The next prime is 84828529. The reversal of 84828473 is 37482848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84787264 + 41209 = 9208^2 + 203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84828473 is a prime.

It is not a weakly prime, because it can be changed into another prime (84828433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42414236 + 42414237.

It is an arithmetic number, because the mean of its divisors is an integer number (42414237).

Almost surely, 2^84828473 is an apocalyptic number.

It is an amenable number.

84828473 is a deficient number, since it is larger than the sum of its proper divisors (1).

84828473 is an equidigital number, since it uses as much as digits as its factorization.

84828473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 44.

The square root of 84828473 is about 9210.2374019349. The cubic root of 84828473 is about 439.3870131483.

The spelling of 84828473 in words is "eighty-four million, eight hundred twenty-eight thousand, four hundred seventy-three".