86151469 has 2 divisors, whose sum is σ = 86151470. Its totient is φ = 86151468.

The previous prime is 86151467. The next prime is 86151479. The reversal of 86151469 is 96415168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77211369 + 8940100 = 8787^2 + 2990^2 .

It is a cyclic number.

It is not a de Polignac number, because 86151469 - 2¹ = 86151467 is a prime.

It is a super-2 number, since 2×86151469² = 14844151221715922, which contains 22 as substring.

Together with 86151467, 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 (86151463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43075734 + 43075735.

It is an arithmetic number, because the mean of its divisors is an integer number (43075735).

Almost surely, 2^86151469 is an apocalyptic number.

It is an amenable number.

86151469 is a deficient number, since it is larger than the sum of its proper divisors (1).

86151469 is an equidigital number, since it uses as much as digits as its factorization.

86151469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 86151469 is about 9281.7815639025. The cubic root of 86151469 is about 441.6594856947.

The spelling of 86151469 in words is "eighty-six million, one hundred fifty-one thousand, four hundred sixty-nine".