10778420 has 12 divisors (see below), whose sum is σ = 22634724. Its totient is φ = 4311360.

The previous prime is 10778407. The next prime is 10778429. The reversal of 10778420 is 2487701.

10778420 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 4892944 + 5885476 = 2212^2 + 2426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10778429) 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, 269441 + ... + 269480.

It is an arithmetic number, because the mean of its divisors is an integer number (1886227).

Almost surely, 2^10778420 is an apocalyptic number.

10778420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10778420 is an abundant number, since it is smaller than the sum of its proper divisors (11856304).

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

10778420 is a wasteful number, since it uses less digits than its factorization.

10778420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538930 (or 538928 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 10778420 is about 3283.0504108222. The cubic root of 10778420 is about 220.8945669361.

The spelling of 10778420 in words is "ten million, seven hundred seventy-eight thousand, four hundred twenty".