880416765 has 12 divisors (see below), whose sum is σ = 1526055804. Its totient is φ = 469555584.

The previous prime is 880416743. The next prime is 880416767. The reversal of 880416765 is 567614088.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 562543524 + 317873241 = 23718^2 + 17829^2 .

It is not a de Polignac number, because 880416765 - 2⁷ = 880416637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 19564817 = 880416765 / (8 + 8 + 0 + 4 + 1 + 6 + 7 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 880416765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880416767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9782364 + ... + 9782453.

It is an arithmetic number, because the mean of its divisors is an integer number (127171317).

Almost surely, 2^880416765 is an apocalyptic number.

It is an amenable number.

880416765 is a deficient number, since it is larger than the sum of its proper divisors (645639039).

880416765 is a wasteful number, since it uses less digits than its factorization.

880416765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19564828 (or 19564825 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 880416765 is about 29671.8176895181. The cubic root of 880416765 is about 958.4352275443.

The spelling of 880416765 in words is "eight hundred eighty million, four hundred sixteen thousand, seven hundred sixty-five".