3879072517 has 2 divisors, whose sum is σ = 3879072518. Its totient is φ = 3879072516.

The previous prime is 3879072511. The next prime is 3879072553. The reversal of 3879072517 is 7152709783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2728913121 + 1150159396 = 52239^2 + 33914^2 .

It is an emirp because it is prime and its reverse (7152709783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3879072517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3879072511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939536258 + 1939536259.

It is an arithmetic number, because the mean of its divisors is an integer number (1939536259).

Almost surely, 2^3879072517 is an apocalyptic number.

It is an amenable number.

3879072517 is a deficient number, since it is larger than the sum of its proper divisors (1).

3879072517 is an equidigital number, since it uses as much as digits as its factorization.

3879072517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 3879072517 is about 62282.2006435225. The cubic root of 3879072517 is about 1571.2403841275.

The spelling of 3879072517 in words is "three billion, eight hundred seventy-nine million, seventy-two thousand, five hundred seventeen".