3875551278 has 8 divisors (see below), whose sum is σ = 7751102568. Its totient is φ = 1291850424.

The previous prime is 3875551249. The next prime is 3875551279. The reversal of 3875551278 is 8721555783.

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

3875551278 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3875551278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3875551279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322962601 + ... + 322962612.

It is an arithmetic number, because the mean of its divisors is an integer number (968887821).

Almost surely, 2^3875551278 is an apocalyptic number.

3875551278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3875551278 is a wasteful number, since it uses less digits than its factorization.

3875551278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645925218.

The product of its digits is 2352000, while the sum is 51.

The square root of 3875551278 is about 62253.9258039202. The cubic root of 3875551278 is about 1570.7648075689.

The spelling of 3875551278 in words is "three billion, eight hundred seventy-five million, five hundred fifty-one thousand, two hundred seventy-eight".