3778700544 has 432 divisors, whose sum is σ = 12499468800. Its totient is φ = 1133180928.

The previous prime is 3778700509. The next prime is 3778700603. The reversal of 3778700544 is 4450078773.

3778700544 is a `hidden beast` number, since 37 + 7 + 8 + 70 + 0 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 3778700544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27184827 + ... + 27184965.

Almost surely, 2^3778700544 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 3778700544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6249734400).

3778700544 is an abundant number, since it is smaller than the sum of its proper divisors (8720768256).

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

3778700544 is a wasteful number, since it uses less digits than its factorization.

3778700544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The square root of 3778700544 is about 61471.1358606623. The cubic root of 3778700544 is about 1557.5697069851.

The spelling of 3778700544 in words is "three billion, seven hundred seventy-eight million, seven hundred thousand, five hundred forty-four".