88987666 has 16 divisors (see below), whose sum is σ = 135211608. Its totient is φ = 43920000.

The previous prime is 88987663. The next prime is 88987687. The reversal of 88987666 is 66678988.

It can be written as a sum of positive squares in 4 ways, for example, as 75082225 + 13905441 = 8665^2 + 3729^2 .

It is a super-3 number, since 3×88987666³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88987666.

It is not an unprimeable number, because it can be changed into a prime (88987663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121036 + ... + 121768.

Almost surely, 2^88987666 is an apocalyptic number.

88987666 is a deficient number, since it is larger than the sum of its proper divisors (46223942).

88987666 is a wasteful number, since it uses less digits than its factorization.

88987666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437.

The product of its digits is 6967296, while the sum is 58.

The square root of 88987666 is about 9433.3274087143. The cubic root of 88987666 is about 446.4538838243.

The spelling of 88987666 in words is "eighty-eight million, nine hundred eighty-seven thousand, six hundred sixty-six".