88688613 has 32 divisors (see below), whose sum is σ = 132858880. Its totient is φ = 52254720.

The previous prime is 88688603. The next prime is 88688651. The reversal of 88688613 is 31688688.

It is a happy number.

It is not a de Polignac number, because 88688613 - 2⁵ = 88688581 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 (88688603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131445 + ... + 132117.

It is an arithmetic number, because the mean of its divisors is an integer number (4151840).

Almost surely, 2^88688613 is an apocalyptic number.

It is an amenable number.

88688613 is a deficient number, since it is larger than the sum of its proper divisors (44170267).

88688613 is a wasteful number, since it uses less digits than its factorization.

88688613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 442368, while the sum is 48.

The square root of 88688613 is about 9417.4631934508. The cubic root of 88688613 is about 445.9532031443.

The spelling of 88688613 in words is "eighty-eight million, six hundred eighty-eight thousand, six hundred thirteen".