878065494 has 16 divisors (see below), whose sum is σ = 1785896640. Its totient is φ = 287727560.

The previous prime is 878065481. The next prime is 878065501. The reversal of 878065494 is 494560878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239852 + ... + 1240559.

It is an arithmetic number, because the mean of its divisors is an integer number (111618540).

Almost surely, 2^878065494 is an apocalyptic number.

878065494 is an abundant number, since it is smaller than the sum of its proper divisors (907831146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878065494 is a wasteful number, since it uses less digits than its factorization.

878065494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480475.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 878065494 is about 29632.1699171694. The cubic root of 878065494 is about 957.5812569570.

The spelling of 878065494 in words is "eight hundred seventy-eight million, sixty-five thousand, four hundred ninety-four".