3778135608 has 96 divisors (see below), whose sum is σ = 10445932800. Its totient is φ = 1137711744.

The previous prime is 3778135597. The next prime is 3778135649. The reversal of 3778135608 is 8065318773.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180723 + ... + 200541.

It is an arithmetic number, because the mean of its divisors is an integer number (108811800).

Almost surely, 2^3778135608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3778135608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5222966400).

3778135608 is an abundant number, since it is smaller than the sum of its proper divisors (6667797192).

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

3778135608 is a wasteful number, since it uses less digits than its factorization.

3778135608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19901 (or 19884 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 3778135608 is about 61466.5405566313. The cubic root of 3778135608 is about 1557.4920814412.

The spelling of 3778135608 in words is "three billion, seven hundred seventy-eight million, one hundred thirty-five thousand, six hundred eight".