2688897963 has 8 divisors (see below), whose sum is σ = 3628392768. Its totient is φ = 1771000904.

The previous prime is 2688897947. The next prime is 2688897979. The reversal of 2688897963 is 3697988862.

It is an interprime number because it is at equal distance from previous prime (2688897947) and next prime (2688897979).

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 2688897963 - 2⁴ = 2688897947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2688897894 and 2688897903.

It is not an unprimeable number, because it can be changed into a prime (2688897163) 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, 5399145 + ... + 5399642.

It is an arithmetic number, because the mean of its divisors is an integer number (453549096).

Almost surely, 2^2688897963 is an apocalyptic number.

2688897963 is a deficient number, since it is larger than the sum of its proper divisors (939494805).

2688897963 is a wasteful number, since it uses less digits than its factorization.

2688897963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10798873.

The product of its digits is 62705664, while the sum is 66.

The square root of 2688897963 is about 51854.5847828328. The cubic root of 2688897963 is about 1390.5654692543.

The spelling of 2688897963 in words is "two billion, six hundred eighty-eight million, eight hundred ninety-seven thousand, nine hundred sixty-three".