6778425272 has 8 divisors (see below), whose sum is σ = 12709547400. Its totient is φ = 3389212632.

The previous prime is 6778425257. The next prime is 6778425323. The reversal of 6778425272 is 2725248776.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 6778425272.

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, 423651572 + ... + 423651587.

It is an arithmetic number, because the mean of its divisors is an integer number (1588693425).

Almost surely, 2^6778425272 is an apocalyptic number.

It is an amenable number.

6778425272 is a deficient number, since it is larger than the sum of its proper divisors (5931122128).

6778425272 is a wasteful number, since it uses less digits than its factorization.

6778425272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847303165 (or 847303161 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 50.

The square root of 6778425272 is about 82331.1925821556. The cubic root of 6778425272 is about 1892.5307188174.

The spelling of 6778425272 in words is "six billion, seven hundred seventy-eight million, four hundred twenty-five thousand, two hundred seventy-two".