10147789 has 4 divisors (see below), whose sum is σ = 10160860. Its totient is φ = 10134720.

The previous prime is 10147783. The next prime is 10147831. The reversal of 10147789 is 98774101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 5978025 = 2042^2 + 2445^2 .

It is a cyclic number.

It is not a de Polignac number, because 10147789 - 2¹⁷ = 10016717 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 (10147783) 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, 5292 + ... + 6949.

It is an arithmetic number, because the mean of its divisors is an integer number (2540215).

Almost surely, 2^10147789 is an apocalyptic number.

It is an amenable number.

10147789 is a deficient number, since it is larger than the sum of its proper divisors (13071).

10147789 is an equidigital number, since it uses as much as digits as its factorization.

10147789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13070.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 10147789 is about 3185.5594485114. The cubic root of 10147789 is about 216.4996221994.

The spelling of 10147789 in words is "ten million, one hundred forty-seven thousand, seven hundred eighty-nine".