1880000867 has 2 divisors, whose sum is σ = 1880000868. Its totient is φ = 1880000866.

The previous prime is 1880000849. The next prime is 1880000869. The reversal of 1880000867 is 7680000881.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1880000867 is a prime.

Together with 1880000869, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1880000867.

It is not a weakly prime, because it can be changed into another prime (1880000869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940000433 + 940000434.

It is an arithmetic number, because the mean of its divisors is an integer number (940000434).

Almost surely, 2^1880000867 is an apocalyptic number.

1880000867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1880000867 is an equidigital number, since it uses as much as digits as its factorization.

1880000867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1880000867 is about 43358.9767752884. The cubic root of 1880000867 is about 1234.2013482809.

The spelling of 1880000867 in words is "one billion, eight hundred eighty million, eight hundred sixty-seven", and thus it is an aban number.