2887993993 has 8 divisors (see below), whose sum is σ = 2956102688. Its totient is φ = 2819928384.

The previous prime is 2887993987. The next prime is 2887994033. The reversal of 2887993993 is 3993997882.

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 2887993993 - 2⁹ = 2887993481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2887991993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154246 + ... + 171952.

It is an arithmetic number, because the mean of its divisors is an integer number (369512836).

Almost surely, 2^2887993993 is an apocalyptic number.

It is an amenable number.

2887993993 is a deficient number, since it is larger than the sum of its proper divisors (68108695).

2887993993 is a wasteful number, since it uses less digits than its factorization.

2887993993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21543.

The product of its digits is 52907904, while the sum is 67.

The square root of 2887993993 is about 53740.0594808007. The cubic root of 2887993993 is about 1424.0724844287.

The spelling of 2887993993 in words is "two billion, eight hundred eighty-seven million, nine hundred ninety-three thousand, nine hundred ninety-three".