86677573 has 2 divisors, whose sum is σ = 86677574. Its totient is φ = 86677572.

The previous prime is 86677561. The next prime is 86677583. The reversal of 86677573 is 37577668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78110244 + 8567329 = 8838^2 + 2927^2 .

It is a cyclic number.

It is not a de Polignac number, because 86677573 - 2²⁵ = 53123141 is a prime.

It is a super-2 number, since 2×86677573² = 15026003322340658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86677553) 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, 43338786 + 43338787.

It is an arithmetic number, because the mean of its divisors is an integer number (43338787).

Almost surely, 2^86677573 is an apocalyptic number.

It is an amenable number.

86677573 is a deficient number, since it is larger than the sum of its proper divisors (1).

86677573 is an equidigital number, since it uses as much as digits as its factorization.

86677573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 49.

The square root of 86677573 is about 9310.0791081494. The cubic root of 86677573 is about 442.5566939819.

The spelling of 86677573 in words is "eighty-six million, six hundred seventy-seven thousand, five hundred seventy-three".