88317491 has 4 divisors (see below), whose sum is σ = 92965800. Its totient is φ = 83669184.

The previous prime is 88317473. The next prime is 88317527. The reversal of 88317491 is 19471388.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88317491 - 2¹⁰ = 88316467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88317421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324126 + ... + 2324163.

It is an arithmetic number, because the mean of its divisors is an integer number (23241450).

Almost surely, 2^88317491 is an apocalyptic number.

88317491 is a deficient number, since it is larger than the sum of its proper divisors (4648309).

88317491 is a wasteful number, since it uses less digits than its factorization.

88317491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648308.

The product of its digits is 48384, while the sum is 41.

The square root of 88317491 is about 9397.7386109638. The cubic root of 88317491 is about 445.3302955384.

The spelling of 88317491 in words is "eighty-eight million, three hundred seventeen thousand, four hundred ninety-one".