288121882 has 8 divisors (see below), whose sum is σ = 457605396. Its totient is φ = 135586752.

The previous prime is 288121877. The next prime is 288121903.

288121882 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 283956201 + 4165681 = 16851^2 + 2041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4237053 + ... + 4237120.

Almost surely, 2^288121882 is an apocalyptic number.

288121882 is a deficient number, since it is larger than the sum of its proper divisors (169483514).

288121882 is a wasteful number, since it uses less digits than its factorization.

288121882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474192.

The product of its digits is 32768, while the sum is 40.

The square root of 288121882 is about 16974.1533514930. The cubic root of 288121882 is about 660.4785953202.

The spelling of 288121882 in words is "two hundred eighty-eight million, one hundred twenty-one thousand, eight hundred eighty-two".