288948855 has 32 divisors (see below), whose sum is σ = 499472064. Its totient is φ = 141797376.

The previous prime is 288948851. The next prime is 288948857. The reversal of 288948855 is 558849882.

It is not a de Polignac number, because 288948855 - 2² = 288948851 is a prime.

It is a super-2 number, since 2×288948855² = 166982881611622050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 288948795 and 288948804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288948851) 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 31 ways as a sum of consecutive naturals, for example, 63517 + ... + 67913.

It is an arithmetic number, because the mean of its divisors is an integer number (15608502).

Almost surely, 2^288948855 is an apocalyptic number.

288948855 is a deficient number, since it is larger than the sum of its proper divisors (210523209).

288948855 is a wasteful number, since it uses less digits than its factorization.

288948855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755.

The product of its digits is 7372800, while the sum is 57.

The square root of 288948855 is about 16998.4956687349. The cubic root of 288948855 is about 661.1098978602.

The spelling of 288948855 in words is "two hundred eighty-eight million, nine hundred forty-eight thousand, eight hundred fifty-five".