84535837 has 2 divisors, whose sum is σ = 84535838. Its totient is φ = 84535836.

The previous prime is 84535831. The next prime is 84535859. The reversal of 84535837 is 73853548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60388441 + 24147396 = 7771^2 + 4914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84535837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84535793 and 84535802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84535831) 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, 42267918 + 42267919.

It is an arithmetic number, because the mean of its divisors is an integer number (42267919).

Almost surely, 2^84535837 is an apocalyptic number.

It is an amenable number.

84535837 is a deficient number, since it is larger than the sum of its proper divisors (1).

84535837 is an equidigital number, since it uses as much as digits as its factorization.

84535837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 84535837 is about 9194.3372246182. The cubic root of 84535837 is about 438.8811743509.

The spelling of 84535837 in words is "eighty-four million, five hundred thirty-five thousand, eight hundred thirty-seven".