868404380 has 24 divisors (see below), whose sum is σ = 1825492032. Its totient is φ = 347010752.

The previous prime is 868404377. The next prime is 868404389. The reversal of 868404380 is 83404868.

868404380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868404389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172 + ... + 41691.

It is an arithmetic number, because the mean of its divisors is an integer number (76062168).

Almost surely, 2^868404380 is an apocalyptic number.

It is an amenable number.

868404380 is an abundant number, since it is smaller than the sum of its proper divisors (957087652).

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

868404380 is a wasteful number, since it uses less digits than its factorization.

868404380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43885 (or 43883 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 868404380 is about 29468.7017019753. The cubic root of 868404380 is about 954.0562957284.

The spelling of 868404380 in words is "eight hundred sixty-eight million, four hundred four thousand, three hundred eighty".