2888252308666 has 4 divisors (see below), whose sum is σ = 4332378463002. Its totient is φ = 1444126154332.

The previous prime is 2888252308661. The next prime is 2888252308681. The reversal of 2888252308666 is 6668032528882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1444253536441 + 1443998772225 = 1201771^2 + 1201665^2 .

It is a super-3 number, since 3×2888252308666³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2888252308598 and 2888252308607.

It is not an unprimeable number, because it can be changed into a prime (2888252308661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722063077165 + ... + 722063077168.

Almost surely, 2^{2888252308666} is an apocalyptic number.

2888252308666 is a deficient number, since it is larger than the sum of its proper divisors (1444126154336).

2888252308666 is a wasteful number, since it uses less digits than its factorization.

2888252308666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444126154335.

The product of its (nonzero) digits is 106168320, while the sum is 64.

The spelling of 2888252308666 in words is "two trillion, eight hundred eighty-eight billion, two hundred fifty-two million, three hundred eight thousand, six hundred sixty-six".