88491911 has 8 divisors (see below), whose sum is σ = 93332400. Its totient is φ = 83669760.

The previous prime is 88491883. The next prime is 88491943. The reversal of 88491911 is 11919488.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88491911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88491211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975 + ... + 14583.

It is an arithmetic number, because the mean of its divisors is an integer number (11666550).

Almost surely, 2^88491911 is an apocalyptic number.

88491911 is a deficient number, since it is larger than the sum of its proper divisors (4840489).

88491911 is a wasteful number, since it uses less digits than its factorization.

88491911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9169.

The product of its digits is 20736, while the sum is 41.

The square root of 88491911 is about 9407.0139257896. The cubic root of 88491911 is about 445.6232666952.

The spelling of 88491911 in words is "eighty-eight million, four hundred ninety-one thousand, nine hundred eleven".