88616613 has 4 divisors (see below), whose sum is σ = 118155488. Its totient is φ = 59077740.

The previous prime is 88616603. The next prime is 88616681. The reversal of 88616613 is 31661688.

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 88616613 - 2⁸ = 88616357 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88616603) 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, 14769433 + ... + 14769438.

It is an arithmetic number, because the mean of its divisors is an integer number (29538872).

Almost surely, 2^88616613 is an apocalyptic number.

It is an amenable number.

88616613 is a deficient number, since it is larger than the sum of its proper divisors (29538875).

88616613 is a wasteful number, since it uses less digits than its factorization.

88616613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29538874.

The product of its digits is 41472, while the sum is 39.

The square root of 88616613 is about 9413.6397317934. The cubic root of 88616613 is about 445.8324912048.

The spelling of 88616613 in words is "eighty-eight million, six hundred sixteen thousand, six hundred thirteen".