878928959 has 8 divisors (see below), whose sum is σ = 897402240. Its totient is φ = 860575000.

The previous prime is 878928943. The next prime is 878928971. The reversal of 878928959 is 959829878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 878928959 - 2⁴ = 878928943 is a prime.

It is a super-2 number, since 2×878928959² = 1545032229937647362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 878928895 and 878928904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878928989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14867 + ... + 44484.

It is an arithmetic number, because the mean of its divisors is an integer number (112175280).

Almost surely, 2^878928959 is an apocalyptic number.

878928959 is a deficient number, since it is larger than the sum of its proper divisors (18473281).

878928959 is a wasteful number, since it uses less digits than its factorization.

878928959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59661.

The product of its digits is 26127360, while the sum is 65.

The square root of 878928959 is about 29646.7360598093. The cubic root of 878928959 is about 957.8950403152.

The spelling of 878928959 in words is "eight hundred seventy-eight million, nine hundred twenty-eight thousand, nine hundred fifty-nine".