84627089 has 2 divisors, whose sum is σ = 84627090. Its totient is φ = 84627088.

The previous prime is 84627073. The next prime is 84627107. The reversal of 84627089 is 98072648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68890000 + 15737089 = 8300^2 + 3967^2 .

It is a cyclic number.

It is not a de Polignac number, because 84627089 - 2⁴ = 84627073 is a prime.

It is a super-2 number, since 2×84627089² = 14323488385227842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84627689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42313544 + 42313545.

It is an arithmetic number, because the mean of its divisors is an integer number (42313545).

Almost surely, 2^84627089 is an apocalyptic number.

It is an amenable number.

84627089 is a deficient number, since it is larger than the sum of its proper divisors (1).

84627089 is an equidigital number, since it uses as much as digits as its factorization.

84627089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 84627089 is about 9199.2982884566. The cubic root of 84627089 is about 439.0390339632.

It can be divided in two parts, 8462 and 7089, that added together give a palindrome (15551).

The spelling of 84627089 in words is "eighty-four million, six hundred twenty-seven thousand, eighty-nine".