778480084877 has 8 divisors (see below), whose sum is σ = 851616607680. Its totient is φ = 705737829760.

The previous prime is 778480084829. The next prime is 778480084891.

778480084877 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-778480084877 is a prime.

It is a super-2 number, since 2×778480084877² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (778480084897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98562788 + ... + 98570685.

It is an arithmetic number, because the mean of its divisors is an integer number (106452075960).

Almost surely, 2^778480084877 is an apocalyptic number.

It is an amenable number.

778480084877 is a deficient number, since it is larger than the sum of its proper divisors (73136522803).

778480084877 is a wasteful number, since it uses less digits than its factorization.

778480084877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197133843.

The product of its (nonzero) digits is 157351936, while the sum is 68.

The spelling of 778480084877 in words is "seven hundred seventy-eight billion, four hundred eighty million, eighty-four thousand, eight hundred seventy-seven".