878068582 has 4 divisors (see below), whose sum is σ = 1317102876. Its totient is φ = 439034290.

The previous prime is 878068577. The next prime is 878068589. The reversal of 878068582 is 285860878.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 285860878 = 2 ⋅142930439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878068589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219517144 + ... + 219517147.

It is an arithmetic number, because the mean of its divisors is an integer number (329275719).

Almost surely, 2^878068582 is an apocalyptic number.

878068582 is a deficient number, since it is larger than the sum of its proper divisors (439034294).

878068582 is a wasteful number, since it uses less digits than its factorization.

878068582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439034293.

The product of its (nonzero) digits is 1720320, while the sum is 52.

The square root of 878068582 is about 29632.2220226564. Note that the first 3 decimals coincide. The cubic root of 878068582 is about 957.5823795033.

The spelling of 878068582 in words is "eight hundred seventy-eight million, sixty-eight thousand, five hundred eighty-two".