3778266403 has 8 divisors (see below), whose sum is σ = 3832862400. Its totient is φ = 3723839808.

The previous prime is 3778266397. The next prime is 3778266449. The reversal of 3778266403 is 3046628773.

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

It is a cyclic number.

It is not a de Polignac number, because 3778266403 - 2¹⁷ = 3778135331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3778266463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2925 + ... + 86977.

It is an arithmetic number, because the mean of its divisors is an integer number (479107800).

Almost surely, 2^3778266403 is an apocalyptic number.

3778266403 is a deficient number, since it is larger than the sum of its proper divisors (54595997).

3778266403 is an equidigital number, since it uses as much as digits as its factorization.

3778266403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84701.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The square root of 3778266403 is about 61467.6045002569. The cubic root of 3778266403 is about 1557.5100541353.

The spelling of 3778266403 in words is "three billion, seven hundred seventy-eight million, two hundred sixty-six thousand, four hundred three".