80555603287 has 2 divisors, whose sum is σ = 80555603288. Its totient is φ = 80555603286.

The previous prime is 80555603263. The next prime is 80555603309. The reversal of 80555603287 is 78230655508.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80555603287 - 2¹¹ = 80555601239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80555603287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80555609287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40277801643 + 40277801644.

It is an arithmetic number, because the mean of its divisors is an integer number (40277801644).

Almost surely, 2^80555603287 is an apocalyptic number.

80555603287 is a deficient number, since it is larger than the sum of its proper divisors (1).

80555603287 is an equidigital number, since it uses as much as digits as its factorization.

80555603287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 80555603287 in words is "eighty billion, five hundred fifty-five million, six hundred three thousand, two hundred eighty-seven".