866478096 has 135 divisors (see below), whose sum is σ = 2677430847. Its totient is φ = 261391680.

The previous prime is 866478073. The next prime is 866478113. The reversal of 866478096 is 690874668.

The square root of 866478096 is 29436.

It is a perfect power (a square), and thus also a powerful number.

866478096 is a `hidden beast` number, since 86 + 6 + 478 + 0 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3885441 + ... + 3885663.

Almost surely, 2^866478096 is an apocalyptic number.

866478096 is the 29436-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866478096

866478096 is an abundant number, since it is smaller than the sum of its proper divisors (1810952751).

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

866478096 is a wasteful number, since it uses less digits than its factorization.

866478096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The cubic root of 866478096 is about 953.3503481513.

The spelling of 866478096 in words is "eight hundred sixty-six million, four hundred seventy-eight thousand, ninety-six".