84050077 has 2 divisors, whose sum is σ = 84050078. Its totient is φ = 84050076.

The previous prime is 84050059. The next prime is 84050137. The reversal of 84050077 is 77005048.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56235001 + 27815076 = 7499^2 + 5274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84050077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84050017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42025038 + 42025039.

It is an arithmetic number, because the mean of its divisors is an integer number (42025039).

Almost surely, 2^84050077 is an apocalyptic number.

It is an amenable number.

84050077 is a deficient number, since it is larger than the sum of its proper divisors (1).

84050077 is an equidigital number, since it uses as much as digits as its factorization.

84050077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 84050077 is about 9167.8829071929. The cubic root of 84050077 is about 438.0389257399.

The spelling of 84050077 in words is "eighty-four million, fifty thousand, seventy-seven".