10280779 has 4 divisors (see below), whose sum is σ = 10287576. Its totient is φ = 10273984.

The previous prime is 10280773. The next prime is 10280797. The reversal of 10280779 is 97708201.

10280779 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97708201 = 3797 ⋅25733.

It is a cyclic number.

It is not a de Polignac number, because 10280779 - 2⁷ = 10280651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10280773) 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, 12 + ... + 4534.

It is an arithmetic number, because the mean of its divisors is an integer number (2571894).

Almost surely, 2^10280779 is an apocalyptic number.

10280779 is a deficient number, since it is larger than the sum of its proper divisors (6797).

10280779 is an equidigital number, since it uses as much as digits as its factorization.

10280779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 10280779 is about 3206.3653877872. The cubic root of 10280779 is about 217.4412859528.

The spelling of 10280779 in words is "ten million, two hundred eighty thousand, seven hundred seventy-nine".