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3879898787 is a prime number
BaseRepresentation
bin1110011101000010…
…1000111010100011
3101000101201021120002
43213100220322203
530421223230122
61440555410215
7165101411162
oct34720507243
911011637502
103879898787
111711113426
1290345396b
1349aa906cb
1428b40d3d9
1517a94e992
hexe7428ea3

3879898787 has 2 divisors, whose sum is σ = 3879898788. Its totient is φ = 3879898786.

The previous prime is 3879898753. The next prime is 3879898807. The reversal of 3879898787 is 7878989783.

3879898787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3879898787 - 220 = 3878850211 is a prime.

It is a super-2 number, since 2×38798987872 = 30107229194728142738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3879898747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939949393 + 1939949394.

It is an arithmetic number, because the mean of its divisors is an integer number (1939949394).

Almost surely, 23879898787 is an apocalyptic number.

3879898787 is a deficient number, since it is larger than the sum of its proper divisors (1).

3879898787 is an equidigital number, since it uses as much as digits as its factorization.

3879898787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 341397504, while the sum is 74.

The square root of 3879898787 is about 62288.8335658969. The cubic root of 3879898787 is about 1571.3519379949.

The spelling of 3879898787 in words is "three billion, eight hundred seventy-nine million, eight hundred ninety-eight thousand, seven hundred eighty-seven".