88649493192 has 96 divisors (see below), whose sum is σ = 259226767800. Its totient is φ = 27206535168.

The previous prime is 88649493133. The next prime is 88649493209. The reversal of 88649493192 is 29139494688.

88649493192 is a `hidden beast` number, since 88 + 64 + 9 + 493 + 1 + 9 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 69540854436 + 19108638756 = 263706^2 + 138234^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242368 + ... + 485840.

Almost surely, 2^88649493192 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 88649493192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129613383900).

88649493192 is an abundant number, since it is smaller than the sum of its proper divisors (170577274608).

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

88649493192 is a wasteful number, since it uses less digits than its factorization.

88649493192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243887 (or 243880 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 88649493192 in words is "eighty-eight billion, six hundred forty-nine million, four hundred ninety-three thousand, one hundred ninety-two".