2788532081 has 8 divisors (see below), whose sum is σ = 2816696064. Its totient is φ = 2760389280.

The previous prime is 2788532063. The next prime is 2788532147. The reversal of 2788532081 is 1802358872.

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

It is a cyclic number.

It is not a de Polignac number, because 2788532081 - 2¹⁸ = 2788269937 is a prime.

It is a super-2 number, since 2×2788532081² = 15551822333532381122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2788502081) 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, 469925 + ... + 475821.

It is an arithmetic number, because the mean of its divisors is an integer number (352087008).

Almost surely, 2^2788532081 is an apocalyptic number.

It is an amenable number.

2788532081 is a deficient number, since it is larger than the sum of its proper divisors (28163983).

2788532081 is a wasteful number, since it uses less digits than its factorization.

2788532081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 2788532081 is about 52806.5533906541. The cubic root of 2788532081 is about 1407.5328788511.

The spelling of 2788532081 in words is "two billion, seven hundred eighty-eight million, five hundred thirty-two thousand, eighty-one".