2788880979489 has 8 divisors (see below), whose sum is σ = 4056554152032. Its totient is φ = 1690230896640.

The previous prime is 2788880979463. The next prime is 2788880979499. The reversal of 2788880979489 is 9849790888872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2788880979489 - 2⁸ = 2788880979233 is a prime.

It is a super-3 number, since 3×2788880979489³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2788880979499) 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, 42255772384 + ... + 42255772449.

It is an arithmetic number, because the mean of its divisors is an integer number (507069269004).

Almost surely, 2^{2788880979489} is an apocalyptic number.

It is an amenable number.

2788880979489 is a deficient number, since it is larger than the sum of its proper divisors (1267673172543).

2788880979489 is a wasteful number, since it uses less digits than its factorization.

2788880979489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84511544847.

The product of its (nonzero) digits is 9364045824, while the sum is 87.

The spelling of 2788880979489 in words is "two trillion, seven hundred eighty-eight billion, eight hundred eighty million, nine hundred seventy-nine thousand, four hundred eighty-nine".