86744453 has 2 divisors, whose sum is σ = 86744454. Its totient is φ = 86744452.

The previous prime is 86744447. The next prime is 86744461. The reversal of 86744453 is 35444768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72471169 + 14273284 = 8513^2 + 3778^2 .

It is a cyclic number.

It is not a de Polignac number, because 86744453 - 2⁶ = 86744389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86744453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86794453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43372226 + 43372227.

It is an arithmetic number, because the mean of its divisors is an integer number (43372227).

Almost surely, 2^86744453 is an apocalyptic number.

It is an amenable number.

86744453 is a deficient number, since it is larger than the sum of its proper divisors (1).

86744453 is an equidigital number, since it uses as much as digits as its factorization.

86744453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 41.

The square root of 86744453 is about 9313.6702217762. The cubic root of 86744453 is about 442.6704895937.

The spelling of 86744453 in words is "eighty-six million, seven hundred forty-four thousand, four hundred fifty-three".