84480001 has 2 divisors, whose sum is σ = 84480002. Its totient is φ = 84480000.

The previous prime is 84479981. The next prime is 84480007. The reversal of 84480001 is 10008448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80281600 + 4198401 = 8960^2 + 2049^2 .

It is a cyclic number.

It is not a de Polignac number, because 84480001 - 2⁹ = 84479489 is a prime.

It is not a weakly prime, because it can be changed into another prime (84480007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42240000 + 42240001.

It is an arithmetic number, because the mean of its divisors is an integer number (42240001).

Almost surely, 2^84480001 is an apocalyptic number.

It is an amenable number.

84480001 is a deficient number, since it is larger than the sum of its proper divisors (1).

84480001 is an equidigital number, since it uses as much as digits as its factorization.

84480001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 84480001 is about 9191.3002888601. The cubic root of 84480001 is about 438.7845259259.

Adding to 84480001 its reverse (10008448), we get a palindrome (94488449).

The spelling of 84480001 in words is "eighty-four million, four hundred eighty thousand, one".