411217878 has 16 divisors (see below), whose sum is σ = 828354240. Its totient is φ = 136086216.

The previous prime is 411217853. The next prime is 411217909. The reversal of 411217878 is 878712114.

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, 245700 + ... + 247367.

It is an arithmetic number, because the mean of its divisors is an integer number (51772140).

Almost surely, 2^411217878 is an apocalyptic number.

411217878 is an abundant number, since it is smaller than the sum of its proper divisors (417136362).

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

411217878 is a wasteful number, since it uses less digits than its factorization.

411217878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493211.

The product of its digits is 25088, while the sum is 39.

The square root of 411217878 is about 20278.5077853377. The cubic root of 411217878 is about 743.6307314529.

The spelling of 411217878 in words is "four hundred eleven million, two hundred seventeen thousand, eight hundred seventy-eight".