84850973 has 2 divisors, whose sum is σ = 84850974. Its totient is φ = 84850972.

The previous prime is 84850967. The next prime is 84851033. The reversal of 84850973 is 37905848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56580484 + 28270489 = 7522^2 + 5317^2 .

It is a cyclic number.

It is not a de Polignac number, because 84850973 - 2⁴ = 84850957 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 (84850943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42425486 + 42425487.

It is an arithmetic number, because the mean of its divisors is an integer number (42425487).

Almost surely, 2^84850973 is an apocalyptic number.

It is an amenable number.

84850973 is a deficient number, since it is larger than the sum of its proper divisors (1).

84850973 is an equidigital number, since it uses as much as digits as its factorization.

84850973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 84850973 is about 9211.4587878359. The cubic root of 84850973 is about 439.4258575500.

The spelling of 84850973 in words is "eighty-four million, eight hundred fifty thousand, nine hundred seventy-three".