867311616 has 56 divisors (see below), whose sum is σ = 2312755344. Its totient is φ = 289095680.

The previous prime is 867311611. The next prime is 867311617. The reversal of 867311616 is 616113768.

It is not an unprimeable number, because it can be changed into a prime (867311611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6931 + ... + 42221.

Almost surely, 2^867311616 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 867311616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1156377672).

867311616 is an abundant number, since it is smaller than the sum of its proper divisors (1445443728).

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

867311616 is an equidigital number, since it uses as much as digits as its factorization.

867311616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35320 (or 35296 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 867311616 is about 29450.1547703913. The cubic root of 867311616 is about 953.6559461494.

It can be divided in two parts, 867 and 311616, that multiplied together give a palindrome (270171072).

The spelling of 867311616 in words is "eight hundred sixty-seven million, three hundred eleven thousand, six hundred sixteen".