88170992 has 120 divisors (see below), whose sum is σ = 220267152. Its totient is φ = 33868800.

The previous prime is 88170989. The next prime is 88170997. The reversal of 88170992 is 29907188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88170997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417767 + ... + 417977.

Almost surely, 2^88170992 is an apocalyptic number.

88170992 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88170992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110133576).

88170992 is an abundant number, since it is smaller than the sum of its proper divisors (132096160).

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

88170992 is a wasteful number, since it uses less digits than its factorization.

88170992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 88170992 is about 9389.9410008796. The cubic root of 88170992 is about 445.0839247511.

The spelling of 88170992 in words is "eighty-eight million, one hundred seventy thousand, nine hundred ninety-two".