880808065 has 4 divisors (see below), whose sum is σ = 1056969684. Its totient is φ = 704646448.

The previous prime is 880808021. The next prime is 880808101. The reversal of 880808065 is 560808088.

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 558282384 + 322525681 = 23628^2 + 17959^2 .

It is a cyclic number.

It is not a de Polignac number, because 880808065 - 2⁷ = 880807937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88080802 + ... + 88080811.

It is an arithmetic number, because the mean of its divisors is an integer number (264242421).

Almost surely, 2^880808065 is an apocalyptic number.

It is an amenable number.

880808065 is a deficient number, since it is larger than the sum of its proper divisors (176161619).

880808065 is a wasteful number, since it uses less digits than its factorization.

880808065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176161618.

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 880808065 is about 29678.4107559687. The cubic root of 880808065 is about 958.5771982456.

The spelling of 880808065 in words is "eight hundred eighty million, eight hundred eight thousand, sixty-five".