6779842938090 has 48 divisors (see below), whose sum is σ = 17627889177288. Its totient is φ = 1807927600128.

The previous prime is 6779842938059. The next prime is 6779842938257. The reversal of 6779842938090 is 908392489776.

6779842938090 is a `hidden beast` number, since 6 + 77 + 98 + 4 + 2 + 9 + 380 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2400420350241 + 4379422587849 = 1549329^2 + 2092707^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5002114 + ... + 6211346.

Almost surely, 2^{6779842938090} is an apocalyptic number.

6779842938090 is an abundant number, since it is smaller than the sum of its proper divisors (10848046239198).

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

6779842938090 is a wasteful number, since it uses less digits than its factorization.

6779842938090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271543 (or 1271540 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 72.

The spelling of 6779842938090 in words is "six trillion, seven hundred seventy-nine billion, eight hundred forty-two million, nine hundred thirty-eight thousand, ninety".