880916789 has 4 divisors (see below), whose sum is σ = 911293260. Its totient is φ = 850540320.

The previous prime is 880916783. The next prime is 880916837. The reversal of 880916789 is 987619088.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 584043889 + 296872900 = 24167^2 + 17230^2 .

It is a cyclic number.

It is not a de Polignac number, because 880916789 - 2¹⁶ = 880851253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880916783) 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, 15188192 + ... + 15188249.

It is an arithmetic number, because the mean of its divisors is an integer number (227823315).

Almost surely, 2^880916789 is an apocalyptic number.

It is an amenable number.

880916789 is a deficient number, since it is larger than the sum of its proper divisors (30376471).

880916789 is a wasteful number, since it uses less digits than its factorization.

880916789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30376470.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The square root of 880916789 is about 29680.2424013012. The cubic root of 880916789 is about 958.6166378101.

The spelling of 880916789 in words is "eight hundred eighty million, nine hundred sixteen thousand, seven hundred eighty-nine".