779672947 has 8 divisors (see below), whose sum is σ = 803095040. Its totient is φ = 756491400.

The previous prime is 779672897. The next prime is 779672953. The reversal of 779672947 is 749276977.

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

It is a cyclic number.

It is not a de Polignac number, because 779672947 - 2¹⁹ = 779148659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 779672891 and 779672900.

It is not an unprimeable number, because it can be changed into a prime (779672977) 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, 53547 + ... + 66532.

It is an arithmetic number, because the mean of its divisors is an integer number (100386880).

Almost surely, 2^779672947 is an apocalyptic number.

779672947 is a deficient number, since it is larger than the sum of its proper divisors (23422093).

779672947 is a wasteful number, since it uses less digits than its factorization.

779672947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120273.

The product of its digits is 9335088, while the sum is 58.

The square root of 779672947 is about 27922.6242856935. The cubic root of 779672947 is about 920.3877331489.

The spelling of 779672947 in words is "seven hundred seventy-nine million, six hundred seventy-two thousand, nine hundred forty-seven".