84906077 has 2 divisors, whose sum is σ = 84906078. Its totient is φ = 84906076.

The previous prime is 84906067. The next prime is 84906091. The reversal of 84906077 is 77060948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84897796 + 8281 = 9214^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 84906077 - 2⁴ = 84906061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84906047) 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, 42453038 + 42453039.

It is an arithmetic number, because the mean of its divisors is an integer number (42453039).

Almost surely, 2^84906077 is an apocalyptic number.

It is an amenable number.

84906077 is a deficient number, since it is larger than the sum of its proper divisors (1).

84906077 is an equidigital number, since it uses as much as digits as its factorization.

84906077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 84906077 is about 9214.4493595657. The cubic root of 84906077 is about 439.5209610857.

The spelling of 84906077 in words is "eighty-four million, nine hundred six thousand, seventy-seven".