86276909 has 2 divisors, whose sum is σ = 86276910. Its totient is φ = 86276908.

The previous prime is 86276903. The next prime is 86276917. The reversal of 86276909 is 90967268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 4012009 = 9070^2 + 2003^2 .

It is a cyclic number.

It is not a de Polignac number, because 86276909 - 2⁴ = 86276893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86276903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43138454 + 43138455.

It is an arithmetic number, because the mean of its divisors is an integer number (43138455).

Almost surely, 2^86276909 is an apocalyptic number.

It is an amenable number.

86276909 is a deficient number, since it is larger than the sum of its proper divisors (1).

86276909 is an equidigital number, since it uses as much as digits as its factorization.

86276909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 86276909 is about 9288.5364293843. The cubic root of 86276909 is about 441.8737397258.

The spelling of 86276909 in words is "eighty-six million, two hundred seventy-six thousand, nine hundred nine".