4284878161 has 2 divisors, whose sum is σ = 4284878162. Its totient is φ = 4284878160.

The previous prime is 4284878141. The next prime is 4284878167. The reversal of 4284878161 is 1618784824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4154575936 + 130302225 = 64456^2 + 11415^2 .

It is a cyclic number.

It is not a de Polignac number, because 4284878161 - 2¹³ = 4284869969 is a prime.

It is a super-2 number, since 2×4284878161² = 36720361709229483842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4284878167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142439080 + 2142439081.

It is an arithmetic number, because the mean of its divisors is an integer number (2142439081).

Almost surely, 2^4284878161 is an apocalyptic number.

It is an amenable number.

4284878161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4284878161 is an equidigital number, since it uses as much as digits as its factorization.

4284878161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 49.

The square root of 4284878161 is about 65458.9807513072. The cubic root of 4284878161 is about 1624.2248814230.

The spelling of 4284878161 in words is "four billion, two hundred eighty-four million, eight hundred seventy-eight thousand, one hundred sixty-one".