88217013 has 4 divisors (see below), whose sum is σ = 117622688. Its totient is φ = 58811340.

The previous prime is 88216993. The next prime is 88217027. The reversal of 88217013 is 31071288.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 88217013 - 2⁶ = 88216949 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 (88217093) 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, 14702833 + ... + 14702838.

It is an arithmetic number, because the mean of its divisors is an integer number (29405672).

Almost surely, 2^88217013 is an apocalyptic number.

It is an amenable number.

88217013 is a deficient number, since it is larger than the sum of its proper divisors (29405675).

88217013 is a wasteful number, since it uses less digits than its factorization.

88217013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29405674.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 88217013 is about 9392.3912290747. The cubic root of 88217013 is about 445.1613487206.

The spelling of 88217013 in words is "eighty-eight million, two hundred seventeen thousand, thirteen".