789480779 has 4 divisors (see below), whose sum is σ = 791171784. Its totient is φ = 787789776.

The previous prime is 789480767. The next prime is 789480781. The reversal of 789480779 is 977084987.

789480779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977084987 = 89 ⋅10978483.

It is a cyclic number.

It is not a de Polignac number, because 789480779 - 2⁴ = 789480763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789480709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844802 + ... + 845735.

It is an arithmetic number, because the mean of its divisors is an integer number (197792946).

Almost surely, 2^789480779 is an apocalyptic number.

789480779 is a deficient number, since it is larger than the sum of its proper divisors (1691005).

789480779 is a wasteful number, since it uses less digits than its factorization.

789480779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691004.

The product of its (nonzero) digits is 7112448, while the sum is 59.

The square root of 789480779 is about 28097.7005998712. The cubic root of 789480779 is about 924.2309767046.

The spelling of 789480779 in words is "seven hundred eighty-nine million, four hundred eighty thousand, seven hundred seventy-nine".