878966765 has 16 divisors (see below), whose sum is σ = 1064211456. Its totient is φ = 696902400.

The previous prime is 878966749. The next prime is 878966773. The reversal of 878966765 is 567669878.

It is a happy number.

It is not a de Polignac number, because 878966765 - 2⁴ = 878966749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 878966698 and 878966707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267080 + ... + 270350.

It is an arithmetic number, because the mean of its divisors is an integer number (66513216).

Almost surely, 2^878966765 is an apocalyptic number.

It is an amenable number.

878966765 is a deficient number, since it is larger than the sum of its proper divisors (185244691).

878966765 is a wasteful number, since it uses less digits than its factorization.

878966765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740.

The product of its digits is 30481920, while the sum is 62.

The square root of 878966765 is about 29647.3736610851. The cubic root of 878966765 is about 957.9087743265.

The spelling of 878966765 in words is "eight hundred seventy-eight million, nine hundred sixty-six thousand, seven hundred sixty-five".