10247779 has 8 divisors (see below), whose sum is σ = 10630880. Its totient is φ = 9870336.

The previous prime is 10247767. The next prime is 10247791. The reversal of 10247779 is 97774201.

It is an interprime number because it is at equal distance from previous prime (10247767) and next prime (10247791).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10247779 - 2⁵ = 10247747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10247879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (1328860).

Almost surely, 2^10247779 is an apocalyptic number.

10247779 is a deficient number, since it is larger than the sum of its proper divisors (383101).

10247779 is a wasteful number, since it uses less digits than its factorization.

10247779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 10247779 is about 3201.2152379995. The cubic root of 10247779 is about 217.2083835723.

It can be divided in two parts, 10247 and 779, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 10247779 in words is "ten million, two hundred forty-seven thousand, seven hundred seventy-nine".