880777665 has 32 divisors (see below), whose sum is σ = 1592380800. Its totient is φ = 461782080.

The previous prime is 880777627. The next prime is 880777679. The reversal of 880777665 is 566777088.

It is not a de Polignac number, because 880777665 - 2⁸ = 880777409 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47326 + ... + 63255.

It is an arithmetic number, because the mean of its divisors is an integer number (49761900).

Almost surely, 2^880777665 is an apocalyptic number.

It is an amenable number.

880777665 is a deficient number, since it is larger than the sum of its proper divisors (711603135).

880777665 is a wasteful number, since it uses less digits than its factorization.

880777665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110654 (or 110648 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The square root of 880777665 is about 29677.8985947456. The cubic root of 880777665 is about 958.5661700836.

The spelling of 880777665 in words is "eight hundred eighty million, seven hundred seventy-seven thousand, six hundred sixty-five".