86535150509 has 2 divisors, whose sum is σ = 86535150510. Its totient is φ = 86535150508.

The previous prime is 86535150469. The next prime is 86535150521. The reversal of 86535150509 is 90505153568.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85627634884 + 907515625 = 292622^2 + 30125^2 .

It is a cyclic number.

It is not a de Polignac number, because 86535150509 - 2⁸ = 86535150253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86535150409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43267575254 + 43267575255.

It is an arithmetic number, because the mean of its divisors is an integer number (43267575255).

Almost surely, 2^86535150509 is an apocalyptic number.

It is an amenable number.

86535150509 is a deficient number, since it is larger than the sum of its proper divisors (1).

86535150509 is an equidigital number, since it uses as much as digits as its factorization.

86535150509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 86535150509 in words is "eighty-six billion, five hundred thirty-five million, one hundred fifty thousand, five hundred nine".