84711149 has 2 divisors, whose sum is σ = 84711150. Its totient is φ = 84711148.

The previous prime is 84711097. The next prime is 84711163. The reversal of 84711149 is 94111748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58033924 + 26677225 = 7618^2 + 5165^2 .

It is a cyclic number.

It is not a de Polignac number, because 84711149 - 2²⁰ = 83662573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84711169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42355574 + 42355575.

It is an arithmetic number, because the mean of its divisors is an integer number (42355575).

Almost surely, 2^84711149 is an apocalyptic number.

It is an amenable number.

84711149 is a deficient number, since it is larger than the sum of its proper divisors (1).

84711149 is an equidigital number, since it uses as much as digits as its factorization.

84711149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 35.

The square root of 84711149 is about 9203.8659812059. The cubic root of 84711149 is about 439.1843515321.

The spelling of 84711149 in words is "eighty-four million, seven hundred eleven thousand, one hundred forty-nine".