867091368 has 128 divisors (see below), whose sum is σ = 2557941120. Its totient is φ = 241474560.

The previous prime is 867091361. The next prime is 867091373. The reversal of 867091368 is 863190768.

It is a super-2 number, since 2×867091368² = 1503694880920222848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (867091361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1087546 + ... + 1088342.

It is an arithmetic number, because the mean of its divisors is an integer number (19983915).

Almost surely, 2^867091368 is an apocalyptic number.

867091368 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867091368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278970560).

867091368 is an abundant number, since it is smaller than the sum of its proper divisors (1690849752).

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

867091368 is a wasteful number, since it uses less digits than its factorization.

867091368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 867091368 is about 29446.4151977792. The cubic root of 867091368 is about 953.5752144597.

The spelling of 867091368 in words is "eight hundred sixty-seven million, ninety-one thousand, three hundred sixty-eight".