86328553 has 2 divisors, whose sum is σ = 86328554. Its totient is φ = 86328552.

The previous prime is 86328551. The next prime is 86328581. The reversal of 86328553 is 35582368.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45522009 + 40806544 = 6747^2 + 6388^2 .

It is a cyclic number.

It is not a de Polignac number, because 86328553 - 2¹ = 86328551 is a prime.

Together with 86328551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86328551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43164276 + 43164277.

It is an arithmetic number, because the mean of its divisors is an integer number (43164277).

Almost surely, 2^86328553 is an apocalyptic number.

It is an amenable number.

86328553 is a deficient number, since it is larger than the sum of its proper divisors (1).

86328553 is an equidigital number, since it uses as much as digits as its factorization.

86328553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 86328553 is about 9291.3159993620. The cubic root of 86328553 is about 441.9618883623.

The spelling of 86328553 in words is "eighty-six million, three hundred twenty-eight thousand, five hundred fifty-three".