778283 has 4 divisors (see below), whose sum is σ = 849048. Its totient is φ = 707520.

The previous prime is 778247. The next prime is 778301. The reversal of 778283 is 382877.

It is a happy number.

778283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382877 = 11 ⋅34807.

It is not a de Polignac number, because 778283 - 2⁸ = 778027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (778213) 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, 35366 + ... + 35387.

It is an arithmetic number, because the mean of its divisors is an integer number (212262).

2⁷⁷⁸²⁸³ is an apocalyptic number.

778283 is a deficient number, since it is larger than the sum of its proper divisors (70765).

778283 is a wasteful number, since it uses less digits than its factorization.

778283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70764.

The product of its digits is 18816, while the sum is 35.

The square root of 778283 is about 882.2034912649. The cubic root of 778283 is about 91.9840473285.

The spelling of 778283 in words is "seven hundred seventy-eight thousand, two hundred eighty-three".