88775566992 has 240 divisors, whose sum is σ = 311012058240. Its totient is φ = 23049105408.

The previous prime is 88775566991. The next prime is 88775567071. The reversal of 88775566992 is 29966557788.

88775566992 is a `hidden beast` number, since 8 + 8 + 7 + 7 + 556 + 69 + 9 + 2 = 666.

It is a super-2 number, since 2×88775566992² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 88775566992.

It is not an unprimeable number, because it can be changed into a prime (88775566991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 407623 + ... + 586265.

It is an arithmetic number, because the mean of its divisors is an integer number (1295883576).

Almost surely, 2^88775566992 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 88775566992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155506029120).

88775566992 is an abundant number, since it is smaller than the sum of its proper divisors (222236491248).

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

88775566992 is a wasteful number, since it uses less digits than its factorization.

88775566992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178710 (or 178701 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 72.

The spelling of 88775566992 in words is "eighty-eight billion, seven hundred seventy-five million, five hundred sixty-six thousand, nine hundred ninety-two".