84886121 has 2 divisors, whose sum is σ = 84886122. Its totient is φ = 84886120.

The previous prime is 84886099. The next prime is 84886141. The reversal of 84886121 is 12168848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72914521 + 11971600 = 8539^2 + 3460^2 .

It is a cyclic number.

It is not a de Polignac number, because 84886121 - 2⁶ = 84886057 is a prime.

It is not a weakly prime, because it can be changed into another prime (84886141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42443060 + 42443061.

It is an arithmetic number, because the mean of its divisors is an integer number (42443061).

Almost surely, 2^84886121 is an apocalyptic number.

It is an amenable number.

84886121 is a deficient number, since it is larger than the sum of its proper divisors (1).

84886121 is an equidigital number, since it uses as much as digits as its factorization.

84886121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 38.

The square root of 84886121 is about 9213.3664314408. The cubic root of 84886121 is about 439.4865239450.

The spelling of 84886121 in words is "eighty-four million, eight hundred eighty-six thousand, one hundred twenty-one".