879409761 has 16 divisors (see below), whose sum is σ = 1246617216. Its totient is φ = 550199936.

The previous prime is 879409709. The next prime is 879409793. The reversal of 879409761 is 167904978.

879409761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 879409761 - 2⁷ = 879409633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (879409561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116580 + ... + 123893.

It is an arithmetic number, because the mean of its divisors is an integer number (77913576).

Almost surely, 2^879409761 is an apocalyptic number.

It is an amenable number.

879409761 is a deficient number, since it is larger than the sum of its proper divisors (367207455).

879409761 is a wasteful number, since it uses less digits than its factorization.

879409761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240552.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 879409761 is about 29654.8438033317. The cubic root of 879409761 is about 958.0696747921.

The spelling of 879409761 in words is "eight hundred seventy-nine million, four hundred nine thousand, seven hundred sixty-one".