88660009988 has 48 divisors (see below), whose sum is σ = 175072060800. Its totient is φ = 38935276800.

The previous prime is 88660009987. The next prime is 88660010003. The reversal of 88660009988 is 88990006688.

It is a happy number.

88660009988 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 88660009988.

It is not an unprimeable number, because it can be changed into a prime (88660009987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52763 + ... + 424386.

It is an arithmetic number, because the mean of its divisors is an integer number (3647334600).

Almost surely, 2^88660009988 is an apocalyptic number.

It is an amenable number.

88660009988 is a deficient number, since it is larger than the sum of its proper divisors (86412050812).

88660009988 is a wasteful number, since it uses less digits than its factorization.

88660009988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477308 (or 477306 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 88660009988 in words is "eighty-eight billion, six hundred sixty million, nine thousand, nine hundred eighty-eight".