10778138 has 24 divisors (see below), whose sum is σ = 18998100. Its totient is φ = 4572288.

The previous prime is 10778129. The next prime is 10778147. The reversal of 10778138 is 83187701.

It is an interprime number because it is at equal distance from previous prime (10778129) and next prime (10778147).

It can be written as a sum of positive squares in 2 ways, for example, as 10778089 + 49 = 3283^2 + 7^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10778098 and 10778107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10178 + ... + 11186.

Almost surely, 2^10778138 is an apocalyptic number.

10778138 is a deficient number, since it is larger than the sum of its proper divisors (8219962).

10778138 is a wasteful number, since it uses less digits than its factorization.

10778138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 10778138 is about 3283.0074626781. The cubic root of 10778138 is about 220.8926404691.

The spelling of 10778138 in words is "ten million, seven hundred seventy-eight thousand, one hundred thirty-eight".