2788945278000 has 160 divisors (see below), whose sum is σ = 10276068241920. Its totient is φ = 637473196800.

The previous prime is 2788945277939. The next prime is 2788945278029. The reversal of 2788945278000 is 8725498872.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33159730 + ... + 33243729.

It is an arithmetic number, because the mean of its divisors is an integer number (64225426512).

Almost surely, 2^{2788945278000} is an apocalyptic number.

2788945278000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2788945278000 is an abundant number, since it is smaller than the sum of its proper divisors (7487122963920).

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

2788945278000 is a wasteful number, since it uses less digits than its factorization.

2788945278000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66403492 (or 66403476 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 2788945278000 in words is "two trillion, seven hundred eighty-eight billion, nine hundred forty-five million, two hundred seventy-eight thousand".