4636879427 has 4 divisors (see below), whose sum is σ = 4643258256. Its totient is φ = 4630500600.

The previous prime is 4636879399. The next prime is 4636879433. The reversal of 4636879427 is 7249786364.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4636879427 - 2⁸ = 4636879171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4636879447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3188324 + ... + 3189777.

It is an arithmetic number, because the mean of its divisors is an integer number (1160814564).

Almost surely, 2^4636879427 is an apocalyptic number.

4636879427 is a deficient number, since it is larger than the sum of its proper divisors (6378829).

4636879427 is an equidigital number, since it uses as much as digits as its factorization.

4636879427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378828.

The product of its digits is 12192768, while the sum is 56.

The square root of 4636879427 is about 68094.6358166339. The cubic root of 4636879427 is about 1667.5361886312.

The spelling of 4636879427 in words is "four billion, six hundred thirty-six million, eight hundred seventy-nine thousand, four hundred twenty-seven".