2788426056 has 32 divisors (see below), whose sum is σ = 7507301760. Its totient is φ = 857977152.

The previous prime is 2788426051. The next prime is 2788426061. The reversal of 2788426056 is 6506248872.

It is an interprime number because it is at equal distance from previous prime (2788426051) and next prime (2788426061).

It is a junction number, because it is equal to n+sod(n) for n = 2788425996 and 2788426014.

It is not an unprimeable number, because it can be changed into a prime (2788426051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4468320 + ... + 4468943.

It is an arithmetic number, because the mean of its divisors is an integer number (234603180).

Almost surely, 2^2788426056 is an apocalyptic number.

2788426056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2788426056 is an abundant number, since it is smaller than the sum of its proper divisors (4718875704).

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

2788426056 is a wasteful number, since it uses less digits than its factorization.

2788426056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937285 (or 8937281 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 2788426056 is about 52805.5494810915. The cubic root of 2788426056 is about 1407.5150396487.

The spelling of 2788426056 in words is "two billion, seven hundred eighty-eight million, four hundred twenty-six thousand, fifty-six".