88413689 has 12 divisors (see below), whose sum is σ = 110760804. Its totient is φ = 69953184.

The previous prime is 88413653. The next prime is 88413697. The reversal of 88413689 is 98631488.

It can be written as a sum of positive squares in 2 ways, for example, as 53509225 + 34904464 = 7315^2 + 5908^2 .

It is not a de Polignac number, because 88413689 - 2²⁴ = 71636473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88413089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68762 + ... + 70035.

It is an arithmetic number, because the mean of its divisors is an integer number (9230067).

Almost surely, 2^88413689 is an apocalyptic number.

It is an amenable number.

88413689 is a deficient number, since it is larger than the sum of its proper divisors (22347115).

88413689 is a wasteful number, since it uses less digits than its factorization.

88413689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138824 (or 138817 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 88413689 is about 9402.8553641966. The cubic root of 88413689 is about 445.4919258056.

The spelling of 88413689 in words is "eighty-eight million, four hundred thirteen thousand, six hundred eighty-nine".