3467778889 has 2 divisors, whose sum is σ = 3467778890. Its totient is φ = 3467778888.

The previous prime is 3467778887. The next prime is 3467778913. The reversal of 3467778889 is 9888777643.

3467778889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2668755600 + 799023289 = 51660^2 + 28267^2 .

It is a cyclic number.

It is not a de Polignac number, because 3467778889 - 2¹ = 3467778887 is a prime.

Together with 3467778887, it forms a pair of twin primes.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (3467778883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1733889444 + 1733889445.

It is an arithmetic number, because the mean of its divisors is an integer number (1733889445).

Almost surely, 2^3467778889 is an apocalyptic number.

It is an amenable number.

3467778889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3467778889 is an equidigital number, since it uses as much as digits as its factorization.

3467778889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113799168, while the sum is 67.

The square root of 3467778889 is about 58887.8500966031. The cubic root of 3467778889 is about 1513.6209591874.

The spelling of 3467778889 in words is "three billion, four hundred sixty-seven million, seven hundred seventy-eight thousand, eight hundred eighty-nine".