878097042 has 48 divisors (see below), whose sum is σ = 1949962560. Its totient is φ = 285490656.

The previous prime is 878097007. The next prime is 878097049. The reversal of 878097042 is 240790878.

It is not an unprimeable number, because it can be changed into a prime (878097049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120684 + ... + 127752.

It is an arithmetic number, because the mean of its divisors is an integer number (40624220).

Almost surely, 2^878097042 is an apocalyptic number.

878097042 is an abundant number, since it is smaller than the sum of its proper divisors (1071865518).

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

878097042 is a wasteful number, since it uses less digits than its factorization.

878097042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247 (or 7244 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 878097042 is about 29632.7022392491. The cubic root of 878097042 is about 957.5927251265.

The spelling of 878097042 in words is "eight hundred seventy-eight million, ninety-seven thousand, forty-two".