865483668 has 360 divisors, whose sum is σ = 2936344320. Its totient is φ = 213373440.

The previous prime is 865483667. The next prime is 865483669. The reversal of 865483668 is 866384568.

865483668 is a `hidden beast` number, since 8 + 6 + 548 + 36 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (865483667) and next prime (865483669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865483667) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 27918813 + ... + 27918843.

It is an arithmetic number, because the mean of its divisors is an integer number (8156512).

Almost surely, 2^865483668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 865483668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468172160).

865483668 is an abundant number, since it is smaller than the sum of its proper divisors (2070860652).

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

865483668 is a wasteful number, since it uses less digits than its factorization.

865483668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 79 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 865483668 is about 29419.1037932837. The cubic root of 865483668 is about 952.9854990789.

The spelling of 865483668 in words is "eight hundred sixty-five million, four hundred eighty-three thousand, six hundred sixty-eight".