3473681778 has 48 divisors (see below), whose sum is σ = 8608157376. Its totient is φ = 991712160.

The previous prime is 3473681777. The next prime is 3473681779. The reversal of 3473681778 is 8771863743.

3473681778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3473681777) and next prime (3473681779).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3473681777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164025 + ... + 183987.

It is an arithmetic number, because the mean of its divisors is an integer number (179336612).

Almost surely, 2^3473681778 is an apocalyptic number.

3473681778 is an abundant number, since it is smaller than the sum of its proper divisors (5134475598).

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

3473681778 is a wasteful number, since it uses less digits than its factorization.

3473681778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21359 (or 21356 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 3473681778 is about 58937.9485391204. The cubic root of 3473681778 is about 1514.4793060798.

The spelling of 3473681778 in words is "three billion, four hundred seventy-three million, six hundred eighty-one thousand, seven hundred seventy-eight".