3878325121 has 8 divisors (see below), whose sum is σ = 4376793600. Its totient is φ = 3404172240.

The previous prime is 3878325119. The next prime is 3878325127. The reversal of 3878325121 is 1215238783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3878325121 - 2¹ = 3878325119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3878325127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6078561 + ... + 6079198.

It is an arithmetic number, because the mean of its divisors is an integer number (547099200).

Almost surely, 2^3878325121 is an apocalyptic number.

It is an amenable number.

3878325121 is a deficient number, since it is larger than the sum of its proper divisors (498468479).

3878325121 is a wasteful number, since it uses less digits than its factorization.

3878325121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12157799.

The product of its digits is 80640, while the sum is 40.

The square root of 3878325121 is about 62276.2002774736. The cubic root of 3878325121 is about 1571.1394653123.

The spelling of 3878325121 in words is "three billion, eight hundred seventy-eight million, three hundred twenty-five thousand, one hundred twenty-one".