10778540 has 12 divisors (see below), whose sum is σ = 22634976. Its totient is φ = 4311408.

The previous prime is 10778539. The next prime is 10778569. The reversal of 10778540 is 4587701.

It is a junction number, because it is equal to n+sod(n) for n = 10778497 and 10778506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269444 + ... + 269483.

It is an arithmetic number, because the mean of its divisors is an integer number (1886248).

Almost surely, 2^10778540 is an apocalyptic number.

10778540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10778540 is an abundant number, since it is smaller than the sum of its proper divisors (11856436).

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

10778540 is a wasteful number, since it uses less digits than its factorization.

10778540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538936 (or 538934 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 10778540 is about 3283.0686864578. The cubic root of 10778540 is about 220.8953866991.

The spelling of 10778540 in words is "ten million, seven hundred seventy-eight thousand, five hundred forty".