878051466 has 48 divisors (see below), whose sum is σ = 1920736584. Its totient is φ = 289884672.

The previous prime is 878051459. The next prime is 878051539. The reversal of 878051466 is 664150878.

It is a happy number.

878051466 is a `hidden beast` number, since 8 + 78 + 0 + 514 + 66 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 822026241 + 56025225 = 28671^2 + 7485^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1422790 + ... + 1423406.

Almost surely, 2^878051466 is an apocalyptic number.

878051466 is an abundant number, since it is smaller than the sum of its proper divisors (1042685118).

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

878051466 is a wasteful number, since it uses less digits than its factorization.

878051466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 878051466 is about 29631.9332140176. The cubic root of 878051466 is about 957.5761574812.

The spelling of 878051466 in words is "eight hundred seventy-eight million, fifty-one thousand, four hundred sixty-six".