84058769 has 2 divisors, whose sum is σ = 84058770. Its totient is φ = 84058768.

The previous prime is 84058759. The next prime is 84058771. The reversal of 84058769 is 96785048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83028544 + 1030225 = 9112^2 + 1015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84058769 is a prime.

It is a super-2 number, since 2×84058769² = 14131753291590722, which contains 22 as substring.

Together with 84058771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84058759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42029384 + 42029385.

It is an arithmetic number, because the mean of its divisors is an integer number (42029385).

Almost surely, 2^84058769 is an apocalyptic number.

It is an amenable number.

84058769 is a deficient number, since it is larger than the sum of its proper divisors (1).

84058769 is an equidigital number, since it uses as much as digits as its factorization.

84058769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 84058769 is about 9168.3569411318. The cubic root of 84058769 is about 438.0540250840.

The spelling of 84058769 in words is "eighty-four million, fifty-eight thousand, seven hundred sixty-nine".