84770201 has 2 divisors, whose sum is σ = 84770202. Its totient is φ = 84770200.

The previous prime is 84770171. The next prime is 84770221. The reversal of 84770201 is 10207748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48288601 + 36481600 = 6949^2 + 6040^2 .

It is a cyclic number.

It is not a de Polignac number, because 84770201 - 2⁶ = 84770137 is a prime.

It is equal to p_4931174 and since 84770201 and 4931174 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84770221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42385100 + 42385101.

It is an arithmetic number, because the mean of its divisors is an integer number (42385101).

Almost surely, 2^84770201 is an apocalyptic number.

It is an amenable number.

84770201 is a deficient number, since it is larger than the sum of its proper divisors (1).

84770201 is an equidigital number, since it uses as much as digits as its factorization.

84770201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 84770201 is about 9207.0734221032. The cubic root of 84770201 is about 439.2863793864.

Adding to 84770201 its reverse (10207748), we get a palindrome (94977949).

The spelling of 84770201 in words is "eighty-four million, seven hundred seventy thousand, two hundred one".