84937973 has 2 divisors, whose sum is σ = 84937974. Its totient is φ = 84937972.

The previous prime is 84937969. The next prime is 84937987. The reversal of 84937973 is 37973948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84309124 + 628849 = 9182^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 84937973 - 2² = 84937969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84937273) 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, 42468986 + 42468987.

It is an arithmetic number, because the mean of its divisors is an integer number (42468987).

Almost surely, 2^84937973 is an apocalyptic number.

It is an amenable number.

84937973 is a deficient number, since it is larger than the sum of its proper divisors (1).

84937973 is an equidigital number, since it uses as much as digits as its factorization.

84937973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 84937973 is about 9216.1799570104. The cubic root of 84937973 is about 439.5759913261.

The spelling of 84937973 in words is "eighty-four million, nine hundred thirty-seven thousand, nine hundred seventy-three".