86466469 has 2 divisors, whose sum is σ = 86466470. Its totient is φ = 86466468.

The previous prime is 86466467. The next prime is 86466481. The reversal of 86466469 is 96466468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71605444 + 14861025 = 8462^2 + 3855^2 .

It is a cyclic number.

It is not a de Polignac number, because 86466469 - 2¹ = 86466467 is a prime.

It is a super-2 number, since 2×86466469² = 14952900522655922, which contains 22 as substring.

Together with 86466467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86466461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43233234 + 43233235.

It is an arithmetic number, because the mean of its divisors is an integer number (43233235).

Almost surely, 2^86466469 is an apocalyptic number.

It is an amenable number.

86466469 is a deficient number, since it is larger than the sum of its proper divisors (1).

86466469 is an equidigital number, since it uses as much as digits as its factorization.

86466469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 49.

The square root of 86466469 is about 9298.7348064132. The cubic root of 86466469 is about 442.1971183189.

Subtracting 86466469 from its reverse (96466468), we obtain a palindrome (9999999).

The spelling of 86466469 in words is "eighty-six million, four hundred sixty-six thousand, four hundred sixty-nine".