866086848 has 84 divisors (see below), whose sum is σ = 2708181528. Its totient is φ = 262448640.

The previous prime is 866086831. The next prime is 866086853. The reversal of 866086848 is 848680668.

It is a junction number, because it is equal to n+sod(n) for n = 866086794 and 866086803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62011 + ... + 74682.

Almost surely, 2^866086848 is an apocalyptic number.

866086848 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

866086848 is an abundant number, since it is smaller than the sum of its proper divisors (1842094680).

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

866086848 is a wasteful number, since it uses less digits than its factorization.

866086848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136722 (or 136709 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The square root of 866086848 is about 29429.3535097188. The cubic root of 866086848 is about 953.2068351671.

The spelling of 866086848 in words is "eight hundred sixty-six million, eighty-six thousand, eight hundred forty-eight".