2775968286 has 256 divisors, whose sum is σ = 7569408000. Its totient is φ = 672126336.

The previous prime is 2775968249. The next prime is 2775968311. The reversal of 2775968286 is 6828695772.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21857955 + ... + 21858081.

It is an arithmetic number, because the mean of its divisors is an integer number (29568000).

Almost surely, 2^2775968286 is an apocalyptic number.

2775968286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2775968286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3784704000).

2775968286 is an abundant number, since it is smaller than the sum of its proper divisors (4793439714).

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

2775968286 is a wasteful number, since it uses less digits than its factorization.

2775968286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 214 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The square root of 2775968286 is about 52687.4585266741. The cubic root of 2775968286 is about 1405.4158056388.

The spelling of 2775968286 in words is "two billion, seven hundred seventy-five million, nine hundred sixty-eight thousand, two hundred eighty-six".