6777425872 has 40 divisors (see below), whose sum is σ = 15051772736. Its totient is φ = 2895975936.

The previous prime is 6777425867. The next prime is 6777425909. The reversal of 6777425872 is 2785247776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52038 + ... + 127525.

Almost surely, 2^6777425872 is an apocalyptic number.

It is an amenable number.

6777425872 is an abundant number, since it is smaller than the sum of its proper divisors (8274346864).

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

6777425872 is a wasteful number, since it uses less digits than its factorization.

6777425872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179915 (or 179909 counting only the distinct ones).

The product of its digits is 9219840, while the sum is 55.

The square root of 6777425872 is about 82325.1229698444. The cubic root of 6777425872 is about 1892.4377036953.

The spelling of 6777425872 in words is "six billion, seven hundred seventy-seven million, four hundred twenty-five thousand, eight hundred seventy-two".