3778116870528 has 1536 divisors, whose sum is σ = 15249833625600. Its totient is φ = 895961088000.

The previous prime is 3778116870491. The next prime is 3778116870547. The reversal of 3778116870528 is 8250786118773.

3778116870528 is a `hidden beast` number, since 37 + 7 + 8 + 1 + 1 + 6 + 8 + 70 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3843455125 + ... + 3843456107.

It is an arithmetic number, because the mean of its divisors is an integer number (9928277100).

Almost surely, 2^{3778116870528} 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 3778116870528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7624916812800).

3778116870528 is an abundant number, since it is smaller than the sum of its proper divisors (11471716755072).

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

3778116870528 is a wasteful number, since it uses less digits than its factorization.

3778116870528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 63.

The spelling of 3778116870528 in words is "three trillion, seven hundred seventy-eight billion, one hundred sixteen million, eight hundred seventy thousand, five hundred twenty-eight".