808240165487 has 2 divisors, whose sum is σ = 808240165488. Its totient is φ = 808240165486.

The previous prime is 808240165441. The next prime is 808240165531. The reversal of 808240165487 is 784561042808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808240165487 - 2⁸ = 808240165231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808240165987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404120082743 + 404120082744.

It is an arithmetic number, because the mean of its divisors is an integer number (404120082744).

Almost surely, 2^808240165487 is an apocalyptic number.

808240165487 is a deficient number, since it is larger than the sum of its proper divisors (1).

808240165487 is an equidigital number, since it uses as much as digits as its factorization.

808240165487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 808240165487 in words is "eight hundred eight billion, two hundred forty million, one hundred sixty-five thousand, four hundred eighty-seven".