84027677 has 2 divisors, whose sum is σ = 84027678. Its totient is φ = 84027676.

The previous prime is 84027653. The next prime is 84027679. The reversal of 84027677 is 77672048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60543961 + 23483716 = 7781^2 + 4846^2 .

It is a cyclic number.

It is not a de Polignac number, because 84027677 - 2²⁴ = 67250461 is a prime.

Together with 84027679, 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 (84027679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42013838 + 42013839.

It is an arithmetic number, because the mean of its divisors is an integer number (42013839).

Almost surely, 2^84027677 is an apocalyptic number.

It is an amenable number.

84027677 is a deficient number, since it is larger than the sum of its proper divisors (1).

84027677 is an equidigital number, since it uses as much as digits as its factorization.

84027677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 84027677 is about 9166.6611696953. The cubic root of 84027677 is about 438.0000086876. Note that the first 5 decimals are identical.

The spelling of 84027677 in words is "eighty-four million, twenty-seven thousand, six hundred seventy-seven".