10842778 has 8 divisors (see below), whose sum is σ = 16660980. Its totient is φ = 5289120.

The previous prime is 10842773. The next prime is 10842779. The reversal of 10842778 is 87724801.

10842778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8661249 + 2181529 = 2943^2 + 1477^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10842773) 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, 66033 + ... + 66196.

Almost surely, 2^10842778 is an apocalyptic number.

10842778 is a deficient number, since it is larger than the sum of its proper divisors (5818202).

10842778 is a wasteful number, since it uses less digits than its factorization.

10842778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132272.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 10842778 is about 3292.8373783107. The cubic root of 10842778 is about 221.3333489581. Note that the first 4 decimals are identical.

The spelling of 10842778 in words is "ten million, eight hundred forty-two thousand, seven hundred seventy-eight".