87069060469 has 2 divisors, whose sum is σ = 87069060470. Its totient is φ = 87069060468.

The previous prime is 87069060443. The next prime is 87069060493. The reversal of 87069060469 is 96406096078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86750866225 + 318194244 = 294535^2 + 17838^2 .

It is a cyclic number.

It is not a de Polignac number, because 87069060469 - 2⁷ = 87069060341 is a prime.

It is a super-2 number, since 2×87069060469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87069060409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43534530234 + 43534530235.

It is an arithmetic number, because the mean of its divisors is an integer number (43534530235).

Almost surely, 2^87069060469 is an apocalyptic number.

It is an amenable number.

87069060469 is a deficient number, since it is larger than the sum of its proper divisors (1).

87069060469 is an equidigital number, since it uses as much as digits as its factorization.

87069060469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 87069060469 in words is "eighty-seven billion, sixty-nine million, sixty thousand, four hundred sixty-nine".