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3800379887 is a prime number
BaseRepresentation
bin1110001010000101…
…0011000111101111
3100210212002022010122
43202201103013233
530240344124022
61425035155155
7163114460513
oct34241230757
910725068118
103800379887
111680240727
128a08a5abb
1348746b2c5
14280a30143
15173993742
hexe28531ef

3800379887 has 2 divisors, whose sum is σ = 3800379888. Its totient is φ = 3800379886.

The previous prime is 3800379871. The next prime is 3800379889. The reversal of 3800379887 is 7889730083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3800379887 - 24 = 3800379871 is a prime.

Together with 3800379889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3800379889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1900189943 + 1900189944.

It is an arithmetic number, because the mean of its divisors is an integer number (1900189944).

Almost surely, 23800379887 is an apocalyptic number.

3800379887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800379887 is an equidigital number, since it uses as much as digits as its factorization.

3800379887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 3800379887 is about 61647.2212431347. The cubic root of 3800379887 is about 1560.5427498655.

The spelling of 3800379887 in words is "three billion, eight hundred million, three hundred seventy-nine thousand, eight hundred eighty-seven".