3878162450 has 18 divisors (see below), whose sum is σ = 7214201301. Its totient is φ = 1551088840.

The previous prime is 3878162423. The next prime is 3878162459. The reversal of 3878162450 is 542618783.

It can be written as a sum of positive squares in 2 ways, for example, as 3800599201 + 77563249 = 61649^2 + 8807^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44035.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3878162459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 435947 + ... + 444753.

Almost surely, 2^3878162450 is an apocalyptic number.

3878162450 is a deficient number, since it is larger than the sum of its proper divisors (3336038851).

3878162450 is an frugal number, since it uses more digits than its factorization.

3878162450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17626 (or 8814 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 3878162450 is about 62274.8942190992. The cubic root of 3878162450 is about 1571.1174985790.

The spelling of 3878162450 in words is "three billion, eight hundred seventy-eight million, one hundred sixty-two thousand, four hundred fifty".