778113363 has 4 divisors (see below), whose sum is σ = 1037484488. Its totient is φ = 518742240.

The previous prime is 778113359. The next prime is 778113373. The reversal of 778113363 is 363311877.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363311877 = 3 ⋅121103959.

It is not a de Polignac number, because 778113363 - 2² = 778113359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (778113373) 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 3 ways as a sum of consecutive naturals, for example, 129685558 + ... + 129685563.

It is an arithmetic number, because the mean of its divisors is an integer number (259371122).

Almost surely, 2^778113363 is an apocalyptic number.

778113363 is a deficient number, since it is larger than the sum of its proper divisors (259371125).

778113363 is a wasteful number, since it uses less digits than its factorization.

778113363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259371124.

The product of its digits is 63504, while the sum is 39.

The square root of 778113363 is about 27894.6834181713. The cubic root of 778113363 is about 919.7736379922.

The spelling of 778113363 in words is "seven hundred seventy-eight million, one hundred thirteen thousand, three hundred sixty-three".