88887722888666 has 8 divisors (see below), whose sum is σ = 143587860050964. Its totient is φ = 41025102871680.

The previous prime is 88887722888593. The next prime is 88887722888717. The reversal of 88887722888666 is 66688822778888.

It can be written as a sum of positive squares in 2 ways, for example, as 86659733792641 + 2227989096025 = 9309121^2 + 1492645^2 .

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

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709379286295 + ... + 1709379286346.

Almost surely, 2^{88887722888666} is an apocalyptic number.

88887722888666 is a deficient number, since it is larger than the sum of its proper divisors (54700137162298).

88887722888666 is a wasteful number, since it uses less digits than its factorization.

88887722888666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418758572656.

The product of its digits is 88785027072, while the sum is 92.

The spelling of 88887722888666 in words is "eighty-eight trillion, eight hundred eighty-seven billion, seven hundred twenty-two million, eight hundred eighty-eight thousand, six hundred sixty-six".