4380879257 has 2 divisors, whose sum is σ = 4380879258. Its totient is φ = 4380879256.

The previous prime is 4380879199. The next prime is 4380879289. The reversal of 4380879257 is 7529780834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2252071936 + 2128807321 = 47456^2 + 46139^2 .

It is a cyclic number.

It is not a de Polignac number, because 4380879257 - 2¹⁰ = 4380878233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4380879199 and 4380879208.

It is not a weakly prime, because it can be changed into another prime (4380879157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190439628 + 2190439629.

It is an arithmetic number, because the mean of its divisors is an integer number (2190439629).

Almost surely, 2^4380879257 is an apocalyptic number.

It is an amenable number.

4380879257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4380879257 is an equidigital number, since it uses as much as digits as its factorization.

4380879257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The square root of 4380879257 is about 66188.2108611496. The cubic root of 4380879257 is about 1636.2654534307.

The spelling of 4380879257 in words is "four billion, three hundred eighty million, eight hundred seventy-nine thousand, two hundred fifty-seven".