10778247 has 12 divisors (see below), whose sum is σ = 15712840. Its totient is φ = 7118928.

The previous prime is 10778233. The next prime is 10778249. The reversal of 10778247 is 74287701.

10778247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10778247 - 2¹⁰ = 10777223 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 (10778249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4513 + ... + 6474.

Almost surely, 2^10778247 is an apocalyptic number.

10778247 is a deficient number, since it is larger than the sum of its proper divisors (4934593).

10778247 is a wasteful number, since it uses less digits than its factorization.

10778247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102 (or 11099 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 10778247 is about 3283.0240632685. The cubic root of 10778247 is about 220.8933851004.

It can be divided in two parts, 10778 and 247, that added together give a square (11025 = 105²).

The spelling of 10778247 in words is "ten million, seven hundred seventy-eight thousand, two hundred forty-seven".