4018678879 has 2 divisors, whose sum is σ = 4018678880. Its totient is φ = 4018678878.

The previous prime is 4018678877. The next prime is 4018678889. The reversal of 4018678879 is 9788768104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4018678879 - 2¹ = 4018678877 is a prime.

It is a super-2 number, since 2×4018678879² = 32299559865041393282, which contains 22 as substring.

Together with 4018678877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4018678877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009339439 + 2009339440.

It is an arithmetic number, because the mean of its divisors is an integer number (2009339440).

Almost surely, 2^4018678879 is an apocalyptic number.

4018678879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4018678879 is an equidigital number, since it uses as much as digits as its factorization.

4018678879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The square root of 4018678879 is about 63393.0507153584. The cubic root of 4018678879 is about 1589.8681217836.

The spelling of 4018678879 in words is "four billion, eighteen million, six hundred seventy-eight thousand, eight hundred seventy-nine".