3778801072 has 80 divisors (see below), whose sum is σ = 7949571552. Its totient is φ = 1733529600.

The previous prime is 3778801063. The next prime is 3778801087. The reversal of 3778801072 is 2701088773.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1839598 + ... + 1841650.

Almost surely, 2^3778801072 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 3778801072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3974785776).

3778801072 is an abundant number, since it is smaller than the sum of its proper divisors (4170770480).

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

3778801072 is a wasteful number, since it uses less digits than its factorization.

3778801072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 3778801072 is about 61471.9535398055. The cubic root of 3778801072 is about 1557.5835193153.

The spelling of 3778801072 in words is "three billion, seven hundred seventy-eight million, eight hundred one thousand, seventy-two".