288797072969 has 4 divisors (see below), whose sum is σ = 288837118596. Its totient is φ = 288757027344.

The previous prime is 288797072933. The next prime is 288797072987. The reversal of 288797072969 is 969270797882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969270797882 = 2 ⋅484635398941.

It can be written as a sum of positive squares in 2 ways, for example, as 104223728569 + 184573344400 = 322837^2 + 429620^2 .

It is a cyclic number.

It is not a de Polignac number, because 288797072969 - 2⁸ = 288797072713 is a prime.

It is a super-2 number, since 2×288797072969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 288797072896 and 288797072905.

It is not an unprimeable number, because it can be changed into a prime (288797077969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20011994 + ... + 20026419.

It is an arithmetic number, because the mean of its divisors is an integer number (72209279649).

Almost surely, 2^288797072969 is an apocalyptic number.

It is an amenable number.

288797072969 is a deficient number, since it is larger than the sum of its proper divisors (40045627).

288797072969 is an equidigital number, since it uses as much as digits as its factorization.

288797072969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40045626.

The product of its (nonzero) digits is 384072192, while the sum is 74.

The spelling of 288797072969 in words is "two hundred eighty-eight billion, seven hundred ninety-seven million, seventy-two thousand, nine hundred sixty-nine".