880765 has 4 divisors (see below), whose sum is σ = 1056924. Its totient is φ = 704608.

The previous prime is 880751. The next prime is 880793. The reversal of 880765 is 567088.

880765 is nontrivially palindromic in base 16.

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 142884 + 737881 = 378^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 880765 - 2¹⁵ = 847997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 880765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88072 + ... + 88081.

It is an arithmetic number, because the mean of its divisors is an integer number (264231).

2⁸⁸⁰⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

880765 is a deficient number, since it is larger than the sum of its proper divisors (176159).

880765 is a wasteful number, since it uses less digits than its factorization.

880765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176158.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 880765 is about 938.4908097579. The cubic root of 880765 is about 95.8561575546.

The spelling of 880765 in words is "eight hundred eighty thousand, seven hundred sixty-five".