3778280755 has 8 divisors (see below), whose sum is σ = 4539702672. Its totient is φ = 3018780768.

The previous prime is 3778280731. The next prime is 3778280767. The reversal of 3778280755 is 5570828773.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3778280755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476152 + ... + 484021.

It is an arithmetic number, because the mean of its divisors is an integer number (567462834).

Almost surely, 2^3778280755 is an apocalyptic number.

3778280755 is a deficient number, since it is larger than the sum of its proper divisors (761421917).

3778280755 is an equidigital number, since it uses as much as digits as its factorization.

3778280755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960965.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The square root of 3778280755 is about 61467.7212445687. The cubic root of 3778280755 is about 1557.5120262352.

The spelling of 3778280755 in words is "three billion, seven hundred seventy-eight million, two hundred eighty thousand, seven hundred fifty-five".