84706901 has 2 divisors, whose sum is σ = 84706902. Its totient is φ = 84706900.

The previous prime is 84706873. The next prime is 84706913. The reversal of 84706901 is 10960748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80982001 + 3724900 = 8999^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 84706901 - 2¹⁸ = 84444757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84706931) 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, 42353450 + 42353451.

It is an arithmetic number, because the mean of its divisors is an integer number (42353451).

Almost surely, 2^84706901 is an apocalyptic number.

It is an amenable number.

84706901 is a deficient number, since it is larger than the sum of its proper divisors (1).

84706901 is an equidigital number, since it uses as much as digits as its factorization.

84706901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 84706901 is about 9203.6352057217. The cubic root of 84706901 is about 439.1770101674.

The spelling of 84706901 in words is "eighty-four million, seven hundred six thousand, nine hundred one".