86274454109 has 2 divisors, whose sum is σ = 86274454110. Its totient is φ = 86274454108.

The previous prime is 86274454103. The next prime is 86274454127. The reversal of 86274454109 is 90145447268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85059722500 + 1214731609 = 291650^2 + 34853^2 .

It is a cyclic number.

It is not a de Polignac number, because 86274454109 - 2¹⁶ = 86274388573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86274454103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43137227054 + 43137227055.

It is an arithmetic number, because the mean of its divisors is an integer number (43137227055).

Almost surely, 2^86274454109 is an apocalyptic number.

It is an amenable number.

86274454109 is a deficient number, since it is larger than the sum of its proper divisors (1).

86274454109 is an equidigital number, since it uses as much as digits as its factorization.

86274454109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 86274454109 in words is "eighty-six billion, two hundred seventy-four million, four hundred fifty-four thousand, one hundred nine".