86763380549 has 2 divisors, whose sum is σ = 86763380550. Its totient is φ = 86763380548.

The previous prime is 86763380479. The next prime is 86763380579. The reversal of 86763380549 is 94508336768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83285919649 + 3477460900 = 288593^2 + 58970^2 .

It is a cyclic number.

It is not a de Polignac number, because 86763380549 - 2³² = 82468413253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86763380579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43381690274 + 43381690275.

It is an arithmetic number, because the mean of its divisors is an integer number (43381690275).

Almost surely, 2^86763380549 is an apocalyptic number.

It is an amenable number.

86763380549 is a deficient number, since it is larger than the sum of its proper divisors (1).

86763380549 is an equidigital number, since it uses as much as digits as its factorization.

86763380549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 86763380549 in words is "eighty-six billion, seven hundred sixty-three million, three hundred eighty thousand, five hundred forty-nine".