3878854201 has 2 divisors, whose sum is σ = 3878854202. Its totient is φ = 3878854200.

The previous prime is 3878854171. The next prime is 3878854247. The reversal of 3878854201 is 1024588783.

It is an a-pointer prime, because the next prime (3878854247) can be obtained adding 3878854201 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3498604201 + 380250000 = 59149^2 + 19500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3878854201 is a prime.

It is not a weakly prime, because it can be changed into another prime (3878854501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939427100 + 1939427101.

It is an arithmetic number, because the mean of its divisors is an integer number (1939427101).

Almost surely, 2^3878854201 is an apocalyptic number.

It is an amenable number.

3878854201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878854201 is an equidigital number, since it uses as much as digits as its factorization.

3878854201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 3878854201 is about 62280.4479832957. The cubic root of 3878854201 is about 1571.2109068621.

It can be divided in two parts, 387 and 8854201, that added together give a palindrome (8854588).

The spelling of 3878854201 in words is "three billion, eight hundred seventy-eight million, eight hundred fifty-four thousand, two hundred one".