84007061 has 2 divisors, whose sum is σ = 84007062. Its totient is φ = 84007060.

The previous prime is 84007051. The next prime is 84007069. The reversal of 84007061 is 16070048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 34586161 = 7030^2 + 5881^2 .

It is a cyclic number.

It is not a de Polignac number, because 84007061 - 2¹⁸ = 83744917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84007061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84007069) 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, 42003530 + 42003531.

It is an arithmetic number, because the mean of its divisors is an integer number (42003531).

Almost surely, 2^84007061 is an apocalyptic number.

It is an amenable number.

84007061 is a deficient number, since it is larger than the sum of its proper divisors (1).

84007061 is an equidigital number, since it uses as much as digits as its factorization.

84007061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 84007061 is about 9165.5365909476. The cubic root of 84007061 is about 437.9641849881.

The spelling of 84007061 in words is "eighty-four million, seven thousand, sixty-one".