10778816 has 28 divisors (see below), whose sum is σ = 22649688. Its totient is φ = 5071872.

The previous prime is 10778797. The next prime is 10778819. The reversal of 10778816 is 61887701.

It is a self number, because there is not a number n which added to its sum of digits gives 10778816.

It is not an unprimeable number, because it can be changed into a prime (10778819) 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, 3866 + ... + 6041.

Almost surely, 2^10778816 is an apocalyptic number.

10778816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10778816 is an abundant number, since it is smaller than the sum of its proper divisors (11870872).

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

10778816 is an equidigital number, since it uses as much as digits as its factorization.

10778816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936 (or 9926 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 10778816 is about 3283.1107200337. The cubic root of 10778816 is about 220.8972721309.

The spelling of 10778816 in words is "ten million, seven hundred seventy-eight thousand, eight hundred sixteen".