2897388887993 has 8 divisors (see below), whose sum is σ = 2928321685056. Its totient is φ = 2866500126000.

The previous prime is 2897388887989. The next prime is 2897388888139. The reversal of 2897388887993 is 3997888837982.

It is a happy number.

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 2897388887993 - 2² = 2897388887989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2897388887899 and 2897388887908.

It is not an unprimeable number, because it can be changed into a prime (2897388887923) 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, 10876463 + ... + 11139668.

It is an arithmetic number, because the mean of its divisors is an integer number (366040210632).

Almost surely, 2^{2897388887993} is an apocalyptic number.

It is an amenable number.

2897388887993 is a deficient number, since it is larger than the sum of its proper divisors (30932797063).

2897388887993 is a wasteful number, since it uses less digits than its factorization.

2897388887993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22017535.

The product of its digits is 21069103104, while the sum is 89.

The spelling of 2897388887993 in words is "two trillion, eight hundred ninety-seven billion, three hundred eighty-eight million, eight hundred eighty-seven thousand, nine hundred ninety-three".