80860281787 has 2 divisors, whose sum is σ = 80860281788. Its totient is φ = 80860281786.

The previous prime is 80860281781. The next prime is 80860281881. The reversal of 80860281787 is 78718206808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80860281787 - 2³ = 80860281779 is a prime.

It is not a weakly prime, because it can be changed into another prime (80860281781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40430140893 + 40430140894.

It is an arithmetic number, because the mean of its divisors is an integer number (40430140894).

Almost surely, 2^80860281787 is an apocalyptic number.

80860281787 is a deficient number, since it is larger than the sum of its proper divisors (1).

80860281787 is an equidigital number, since it uses as much as digits as its factorization.

80860281787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2408448, while the sum is 55.

The spelling of 80860281787 in words is "eighty billion, eight hundred sixty million, two hundred eighty-one thousand, seven hundred eighty-seven".