88217493 has 72 divisors (see below), whose sum is σ = 153210528. Its totient is φ = 44972928.

The previous prime is 88217473. The next prime is 88217531. The reversal of 88217493 is 39471288.

It is not a de Polignac number, because 88217493 - 2⁵ = 88217461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88217473) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1316646 + ... + 1316712.

It is an arithmetic number, because the mean of its divisors is an integer number (2127924).

Almost surely, 2^88217493 is an apocalyptic number.

It is an amenable number.

88217493 is a deficient number, since it is larger than the sum of its proper divisors (64993035).

88217493 is a wasteful number, since it uses less digits than its factorization.

88217493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 143 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 88217493 is about 9392.4167816383. The cubic root of 88217493 is about 445.1621561123.

The spelling of 88217493 in words is "eighty-eight million, two hundred seventeen thousand, four hundred ninety-three".