10009395787 has 4 divisors (see below), whose sum is σ = 10038241656. Its totient is φ = 9980549920.

The previous prime is 10009395709. The next prime is 10009395793. The reversal of 10009395787 is 78759390001.

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 10009395787 - 2¹⁵ = 10009363019 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10009395787.

It is not an unprimeable number, because it can be changed into a prime (10009399787) 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, 14422414 + ... + 14423107.

It is an arithmetic number, because the mean of its divisors is an integer number (2509560414).

Almost surely, 2^10009395787 is an apocalyptic number.

10009395787 is a deficient number, since it is larger than the sum of its proper divisors (28845869).

10009395787 is an equidigital number, since it uses as much as digits as its factorization.

10009395787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28845868.

The product of its (nonzero) digits is 476280, while the sum is 49.

The spelling of 10009395787 in words is "ten billion, nine million, three hundred ninety-five thousand, seven hundred eighty-seven".