3878958181 has 8 divisors (see below), whose sum is σ = 4433521664. Its totient is φ = 3324501360.

The previous prime is 3878958179. The next prime is 3878958199. The reversal of 3878958181 is 1818598783.

3878958181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3878958181 - 2¹ = 3878958179 is a prime.

It is a super-3 number, since 3×3878958181³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878958151) 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, 79411 + ... + 118591.

It is an arithmetic number, because the mean of its divisors is an integer number (554190208).

Almost surely, 2^3878958181 is an apocalyptic number.

It is an amenable number.

3878958181 is a deficient number, since it is larger than the sum of its proper divisors (554563483).

3878958181 is a wasteful number, since it uses less digits than its factorization.

3878958181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53331.

The product of its digits is 3870720, while the sum is 58.

The square root of 3878958181 is about 62281.2827501168. The cubic root of 3878958181 is about 1571.2249464935.

The spelling of 3878958181 in words is "three billion, eight hundred seventy-eight million, nine hundred fifty-eight thousand, one hundred eighty-one".