84334157 has 2 divisors, whose sum is σ = 84334158. Its totient is φ = 84334156.

The previous prime is 84334153. The next prime is 84334189. The reversal of 84334157 is 75143348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56761156 + 27573001 = 7534^2 + 5251^2 .

It is a cyclic number.

It is not a de Polignac number, because 84334157 - 2² = 84334153 is a prime.

It is a super-2 number, since 2×84334157² = 14224500073801298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84334153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42167078 + 42167079.

It is an arithmetic number, because the mean of its divisors is an integer number (42167079).

Almost surely, 2^84334157 is an apocalyptic number.

It is an amenable number.

84334157 is a deficient number, since it is larger than the sum of its proper divisors (1).

84334157 is an equidigital number, since it uses as much as digits as its factorization.

84334157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 84334157 is about 9183.3630550033. The cubic root of 84334157 is about 438.5318785502.

The spelling of 84334157 in words is "eighty-four million, three hundred thirty-four thousand, one hundred fifty-seven".