84818473 has 2 divisors, whose sum is σ = 84818474. Its totient is φ = 84818472.

The previous prime is 84818453. The next prime is 84818479. The reversal of 84818473 is 37481848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60886809 + 23931664 = 7803^2 + 4892^2 .

It is a cyclic number.

It is not a de Polignac number, because 84818473 - 2⁵ = 84818441 is a prime.

It is not a weakly prime, because it can be changed into another prime (84818479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42409236 + 42409237.

It is an arithmetic number, because the mean of its divisors is an integer number (42409237).

Almost surely, 2^84818473 is an apocalyptic number.

It is an amenable number.

84818473 is a deficient number, since it is larger than the sum of its proper divisors (1).

84818473 is an equidigital number, since it uses as much as digits as its factorization.

84818473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172032, while the sum is 43.

The square root of 84818473 is about 9209.6945117631. The cubic root of 84818473 is about 439.3697467650.

It can be divided in two parts, 848 and 18473, that added together give a square (19321 = 139²).

The spelling of 84818473 in words is "eighty-four million, eight hundred eighteen thousand, four hundred seventy-three".