80868216250 has 20 divisors (see below), whose sum is σ = 151579386882. Its totient is φ = 32347286000.

The previous prime is 80868216241. The next prime is 80868216259. The reversal of 80868216250 is 5261286808.

It is an interprime number because it is at equal distance from previous prime (80868216241) and next prime (80868216259).

It can be written as a sum of positive squares in 5 ways, for example, as 2232279009 + 78635937241 = 47247^2 + 280421^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80868216250.

It is not an unprimeable number, because it can be changed into a prime (80868216259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32346037 + ... + 32348536.

Almost surely, 2^80868216250 is an apocalyptic number.

80868216250 is a deficient number, since it is larger than the sum of its proper divisors (70711170632).

80868216250 is an equidigital number, since it uses as much as digits as its factorization.

80868216250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64694595 (or 64694580 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 80868216250 in words is "eighty billion, eight hundred sixty-eight million, two hundred sixteen thousand, two hundred fifty".