6778242100 has 36 divisors (see below), whose sum is σ = 16810042144. Its totient is φ = 2323968480.

The previous prime is 6778242049. The next prime is 6778242113. The reversal of 6778242100 is 12428776.

It is a self number, because there is not a number n which added to its sum of digits gives 6778242100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4840902 + ... + 4842301.

Almost surely, 2^6778242100 is an apocalyptic number.

It is an amenable number.

6778242100 is an abundant number, since it is smaller than the sum of its proper divisors (10031800044).

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

6778242100 is a wasteful number, since it uses less digits than its factorization.

6778242100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683224 (or 9683217 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 6778242100 is about 82330.0801651498. The cubic root of 6778242100 is about 1892.5136715070.

The spelling of 6778242100 in words is "six billion, seven hundred seventy-eight million, two hundred forty-two thousand, one hundred".