84885077 has 2 divisors, whose sum is σ = 84885078. Its totient is φ = 84885076.

The previous prime is 84885071. The next prime is 84885079. The reversal of 84885077 is 77058848.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49434961 + 35450116 = 7031^2 + 5954^2 .

It is a cyclic number.

It is not a de Polignac number, because 84885077 - 2¹² = 84880981 is a prime.

Together with 84885079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84885071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42442538 + 42442539.

It is an arithmetic number, because the mean of its divisors is an integer number (42442539).

Almost surely, 2^84885077 is an apocalyptic number.

It is an amenable number.

84885077 is a deficient number, since it is larger than the sum of its proper divisors (1).

84885077 is an equidigital number, since it uses as much as digits as its factorization.

84885077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 501760, while the sum is 47.

The square root of 84885077 is about 9213.3097744513. The cubic root of 84885077 is about 439.4847222142.

The spelling of 84885077 in words is "eighty-four million, eight hundred eighty-five thousand, seventy-seven".