10826978 has 4 divisors (see below), whose sum is σ = 16240470. Its totient is φ = 5413488.

The previous prime is 10826971. The next prime is 10826987. The reversal of 10826978 is 87962801.

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

It can be written as a sum of positive squares in only one way, i.e., 10413529 + 413449 = 3227^2 + 643^2 .

It is a super-2 number, since 2×10826978² = 234446905224968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10826971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2706743 + ... + 2706746.

Almost surely, 2^10826978 is an apocalyptic number.

10826978 is a deficient number, since it is larger than the sum of its proper divisors (5413492).

10826978 is an equidigital number, since it uses as much as digits as its factorization.

10826978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413491.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 10826978 is about 3290.4373569482. The cubic root of 10826978 is about 221.2257883642.

The spelling of 10826978 in words is "ten million, eight hundred twenty-six thousand, nine hundred seventy-eight".