779828220358 has 8 divisors (see below), whose sum is σ = 1276082542440. Its totient is φ = 354467372880.

The previous prime is 779828220343. The next prime is 779828220383. The reversal of 779828220358 is 853022828977.

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

It is a junction number, because it is equal to n+sod(n) for n = 779828220296 and 779828220305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17723368623 + ... + 17723368666.

It is an arithmetic number, because the mean of its divisors is an integer number (159510317805).

Almost surely, 2^779828220358 is an apocalyptic number.

779828220358 is a deficient number, since it is larger than the sum of its proper divisors (496254322082).

779828220358 is a wasteful number, since it uses less digits than its factorization.

779828220358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35446737302.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 779828220358 in words is "seven hundred seventy-nine billion, eight hundred twenty-eight million, two hundred twenty thousand, three hundred fifty-eight".