779647945474 has 8 divisors (see below), whose sum is σ = 1169490224448. Its totient is φ = 389817870660.

The previous prime is 779647945451. The next prime is 779647945507. The reversal of 779647945474 is 474549746977.

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 = 779647945397 and 779647945406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2889622 + ... + 3147889.

It is an arithmetic number, because the mean of its divisors is an integer number (146186278056).

Almost surely, 2^779647945474 is an apocalyptic number.

779647945474 is a deficient number, since it is larger than the sum of its proper divisors (389842278974).

779647945474 is a wasteful number, since it uses less digits than its factorization.

779647945474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102080.

The product of its digits is 1493614080, while the sum is 73.

The spelling of 779647945474 in words is "seven hundred seventy-nine billion, six hundred forty-seven million, nine hundred forty-five thousand, four hundred seventy-four".