80502121067 has 2 divisors, whose sum is σ = 80502121068. Its totient is φ = 80502121066.

The previous prime is 80502121039. The next prime is 80502121069. The reversal of 80502121067 is 76012120508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80502121067 - 2¹² = 80502116971 is a prime.

Together with 80502121069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80502121069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40251060533 + 40251060534.

It is an arithmetic number, because the mean of its divisors is an integer number (40251060534).

Almost surely, 2^80502121067 is an apocalyptic number.

80502121067 is a deficient number, since it is larger than the sum of its proper divisors (1).

80502121067 is an equidigital number, since it uses as much as digits as its factorization.

80502121067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 80502121067 in words is "eighty billion, five hundred two million, one hundred twenty-one thousand, sixty-seven".