84700481 has 2 divisors, whose sum is σ = 84700482. Its totient is φ = 84700480.

The previous prime is 84700457. The next prime is 84700489. The reversal of 84700481 is 18400748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77088400 + 7612081 = 8780^2 + 2759^2 .

It is a cyclic number.

It is not a de Polignac number, because 84700481 - 2⁶ = 84700417 is a prime.

It is a super-2 number, since 2×84700481² = 14348342963262722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84700489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42350240 + 42350241.

It is an arithmetic number, because the mean of its divisors is an integer number (42350241).

Almost surely, 2^84700481 is an apocalyptic number.

It is an amenable number.

84700481 is a deficient number, since it is larger than the sum of its proper divisors (1).

84700481 is an equidigital number, since it uses as much as digits as its factorization.

84700481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 84700481 is about 9203.2864238814. The cubic root of 84700481 is about 439.1659147013.

The spelling of 84700481 in words is "eighty-four million, seven hundred thousand, four hundred eighty-one".