3778554343 has 4 divisors (see below), whose sum is σ = 3779261928. Its totient is φ = 3777846760.

The previous prime is 3778554341. The next prime is 3778554349. The reversal of 3778554343 is 3434558773.

3778554343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3778554343 - 2¹ = 3778554341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778554341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345721 + ... + 356482.

It is an arithmetic number, because the mean of its divisors is an integer number (944815482).

Almost surely, 2^3778554343 is an apocalyptic number.

3778554343 is a deficient number, since it is larger than the sum of its proper divisors (707585).

3778554343 is an equidigital number, since it uses as much as digits as its factorization.

3778554343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707584.

The product of its digits is 4233600, while the sum is 49.

The square root of 3778554343 is about 61469.9466650167. The cubic root of 3778554343 is about 1557.5496188461.

The spelling of 3778554343 in words is "three billion, seven hundred seventy-eight million, five hundred fifty-four thousand, three hundred forty-three".