10778838 has 16 divisors (see below), whose sum is σ = 24637440. Its totient is φ = 3079656.

The previous prime is 10778819. The next prime is 10778849. The reversal of 10778838 is 83887701.

10778838 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 256639 = 10778838 / (1 + 0 + 7 + 7 + 8 + 8 + 3 + 8).

10778838 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 10778838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128278 + ... + 128361.

It is an arithmetic number, because the mean of its divisors is an integer number (1539840).

Almost surely, 2^10778838 is an apocalyptic number.

10778838 is an abundant number, since it is smaller than the sum of its proper divisors (13858602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10778838 is a wasteful number, since it uses less digits than its factorization.

10778838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256651.

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 10778838 is about 3283.1140705129. The cubic root of 10778838 is about 220.8974224176.

The spelling of 10778838 in words is "ten million, seven hundred seventy-eight thousand, eight hundred thirty-eight".