778053 has 8 divisors (see below), whose sum is σ = 1044288. Its totient is φ = 515264.

The previous prime is 778051. The next prime is 778061. The reversal of 778053 is 350877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 778053 - 2¹ = 778051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 778053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (778051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 276 + ... + 1277.

It is an arithmetic number, because the mean of its divisors is an integer number (130536).

2⁷⁷⁸⁰⁵³ is an apocalyptic number.

It is an amenable number.

778053 is a deficient number, since it is larger than the sum of its proper divisors (266235).

778053 is a wasteful number, since it uses less digits than its factorization.

778053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 778053 is about 882.0731262203. The cubic root of 778053 is about 91.9749853227.

The spelling of 778053 in words is "seven hundred seventy-eight thousand, fifty-three".