10788639 has 4 divisors (see below), whose sum is σ = 14384856. Its totient is φ = 7192424.

The previous prime is 10788623. The next prime is 10788649. The reversal of 10788639 is 93688701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10788639 - 2⁴ = 10788623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10788639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10788619) 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, 1798104 + ... + 1798109.

It is an arithmetic number, because the mean of its divisors is an integer number (3596214).

Almost surely, 2^10788639 is an apocalyptic number.

10788639 is a deficient number, since it is larger than the sum of its proper divisors (3596217).

10788639 is an equidigital number, since it uses as much as digits as its factorization.

10788639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596216.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 10788639 is about 3284.6063691103. The cubic root of 10788639 is about 220.9643547952.

The spelling of 10788639 in words is "ten million, seven hundred eighty-eight thousand, six hundred thirty-nine".