88778866688 has 54 divisors (see below), whose sum is σ = 177773061879. Its totient is φ = 44335497216.

The previous prime is 88778866667. The next prime is 88778866691. The reversal of 88778866688 is 88666887788.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 44389433344 + 44389433344 = 210688^2 + 210688^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=210688.

It is a Duffinian number.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 107871845 + ... + 107872667.

Almost surely, 2^88778866688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88778866688

88778866688 is an abundant number, since it is smaller than the sum of its proper divisors (88994195191).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88778866688 is an frugal number, since it uses more digits than its factorization.

88778866688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 825 counting only the distinct ones).

The product of its digits is 2774532096, while the sum is 80.

The spelling of 88778866688 in words is "eighty-eight billion, seven hundred seventy-eight million, eight hundred sixty-six thousand, six hundred eighty-eight".