288872873 has 4 divisors (see below), whose sum is σ = 291677568. Its totient is φ = 286068180.

The previous prime is 288872863. The next prime is 288872879. The reversal of 288872873 is 378278882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378278882 = 2 ⋅189139441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288872873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (288872879) 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, 1402193 + ... + 1402398.

It is an arithmetic number, because the mean of its divisors is an integer number (72919392).

Almost surely, 2^288872873 is an apocalyptic number.

It is an amenable number.

288872873 is a deficient number, since it is larger than the sum of its proper divisors (2804695).

288872873 is a wasteful number, since it uses less digits than its factorization.

288872873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804694.

The product of its digits is 2408448, while the sum is 53.

The square root of 288872873 is about 16996.2605593113. The cubic root of 288872873 is about 661.0519442869.

The spelling of 288872873 in words is "two hundred eighty-eight million, eight hundred seventy-two thousand, eight hundred seventy-three".