3193994277 has 12 divisors (see below), whose sum is σ = 4623828300. Its totient is φ = 2124584448.

The previous prime is 3193994267. The next prime is 3193994311. The reversal of 3193994277 is 7724993913.

3193994277 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1104498756 + 2089495521 = 33234^2 + 45711^2 .

It is not a de Polignac number, because 3193994277 - 2⁶ = 3193994213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3193994267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391158 + ... + 399239.

It is an arithmetic number, because the mean of its divisors is an integer number (385319025).

Almost surely, 2^3193994277 is an apocalyptic number.

It is an amenable number.

3193994277 is a deficient number, since it is larger than the sum of its proper divisors (1429834023).

3193994277 is a wasteful number, since it uses less digits than its factorization.

3193994277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790852 (or 790849 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 3193994277 is about 56515.4339716152. The cubic root of 3193994277 is about 1472.6901357628.

The spelling of 3193994277 in words is "three billion, one hundred ninety-three million, nine hundred ninety-four thousand, two hundred seventy-seven".