80627642867 has 2 divisors, whose sum is σ = 80627642868. Its totient is φ = 80627642866.

The previous prime is 80627642833. The next prime is 80627642873. The reversal of 80627642867 is 76824672608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80627642867 - 2⁸ = 80627642611 is a prime.

It is not a weakly prime, because it can be changed into another prime (80627642827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40313821433 + 40313821434.

It is an arithmetic number, because the mean of its divisors is an integer number (40313821434).

Almost surely, 2^80627642867 is an apocalyptic number.

80627642867 is a deficient number, since it is larger than the sum of its proper divisors (1).

80627642867 is an equidigital number, since it uses as much as digits as its factorization.

80627642867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 80627642867 in words is "eighty billion, six hundred twenty-seven million, six hundred forty-two thousand, eight hundred sixty-seven".