88188564122 has 16 divisors (see below), whose sum is σ = 135979813320. Its totient is φ = 42864095808.

The previous prime is 88188564089. The next prime is 88188564229. The reversal of 88188564122 is 22146588188.

It can be written as a sum of positive squares in 4 ways, for example, as 79269839401 + 8918724721 = 281549^2 + 94439^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450797 + ... + 616112.

Almost surely, 2^88188564122 is an apocalyptic number.

88188564122 is a deficient number, since it is larger than the sum of its proper divisors (47791249198).

88188564122 is a wasteful number, since it uses less digits than its factorization.

88188564122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068065.

The product of its digits is 1966080, while the sum is 53.

The spelling of 88188564122 in words is "eighty-eight billion, one hundred eighty-eight million, five hundred sixty-four thousand, one hundred twenty-two".