862686066 has 16 divisors (see below), whose sum is σ = 1882224288. Its totient is φ = 261420000.

The previous prime is 862685983. The next prime is 862686067. The reversal of 862686066 is 660686268.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (862686067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6535435 + ... + 6535566.

It is an arithmetic number, because the mean of its divisors is an integer number (117639018).

Almost surely, 2^862686066 is an apocalyptic number.

862686066 is an abundant number, since it is smaller than the sum of its proper divisors (1019538222).

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

862686066 is a wasteful number, since it uses less digits than its factorization.

862686066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071017.

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 862686066 is about 29371.5179383021. The cubic root of 862686066 is about 951.9575759936.

The spelling of 862686066 in words is "eight hundred sixty-two million, six hundred eighty-six thousand, sixty-six".