88609491 has 32 divisors (see below), whose sum is σ = 141004800. Its totient is φ = 54794880.

The previous prime is 88609463. The next prime is 88609511. The reversal of 88609491 is 19490688.

It is not a de Polignac number, because 88609491 - 2⁵ = 88609459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88609291) 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 31 ways as a sum of consecutive naturals, for example, 31230 + ... + 33948.

It is an arithmetic number, because the mean of its divisors is an integer number (4406400).

Almost surely, 2^88609491 is an apocalyptic number.

88609491 is a deficient number, since it is larger than the sum of its proper divisors (52395309).

88609491 is a wasteful number, since it uses less digits than its factorization.

88609491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 88609491 is about 9413.2614433043. The cubic root of 88609491 is about 445.8205472289.

The spelling of 88609491 in words is "eighty-eight million, six hundred nine thousand, four hundred ninety-one".