3878332357 has 2 divisors, whose sum is σ = 3878332358. Its totient is φ = 3878332356.

The previous prime is 3878332351. The next prime is 3878332361. The reversal of 3878332357 is 7532338783.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3239203396 + 639128961 = 56914^2 + 25281^2 .

It is an emirp because it is prime and its reverse (7532338783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3878332357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3878332357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3878332351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939166178 + 1939166179.

It is an arithmetic number, because the mean of its divisors is an integer number (1939166179).

Almost surely, 2^3878332357 is an apocalyptic number.

It is an amenable number.

3878332357 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878332357 is an equidigital number, since it uses as much as digits as its factorization.

3878332357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 49.

The square root of 3878332357 is about 62276.2583734765. The cubic root of 3878332357 is about 1571.1404424316.

The spelling of 3878332357 in words is "three billion, eight hundred seventy-eight million, three hundred thirty-two thousand, three hundred fifty-seven".