3420277556 has 6 divisors (see below), whose sum is σ = 5985485730. Its totient is φ = 1710138776.

The previous prime is 3420277519. The next prime is 3420277579. The reversal of 3420277556 is 6557720243.

It can be written as a sum of positive squares in only one way, i.e., 3344308900 + 75968656 = 57830^2 + 8716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427534691 + ... + 427534698.

It is an arithmetic number, because the mean of its divisors is an integer number (997580955).

Almost surely, 2^3420277556 is an apocalyptic number.

It is an amenable number.

3420277556 is a deficient number, since it is larger than the sum of its proper divisors (2565208174).

3420277556 is a wasteful number, since it uses less digits than its factorization.

3420277556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855069393 (or 855069391 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 3420277556 is about 58483.1390744375. The cubic root of 3420277556 is about 1506.6780113964.

Adding to 3420277556 its reverse (6557720243), we get a palindrome (9977997799).

The spelling of 3420277556 in words is "three billion, four hundred twenty million, two hundred seventy-seven thousand, five hundred fifty-six".