867509361 has 6 divisors (see below), whose sum is σ = 1253069090. Its totient is φ = 578339568.

The previous prime is 867509347. The next prime is 867509387. The reversal of 867509361 is 163905768.

It is a happy number.

867509361 is a `hidden beast` number, since 86 + 7 + 509 + 3 + 61 = 666.

867509361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 729000000 + 138509361 = 27000^2 + 11769^2 .

It is not a de Polignac number, because 867509361 - 2⁹ = 867508849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867509341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48194956 + ... + 48194973.

Almost surely, 2^867509361 is an apocalyptic number.

It is an amenable number.

867509361 is a deficient number, since it is larger than the sum of its proper divisors (385559729).

867509361 is a wasteful number, since it uses less digits than its factorization.

867509361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96389935 (or 96389932 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 867509361 is about 29453.5118619155. The cubic root of 867509361 is about 953.7284177430.

The spelling of 867509361 in words is "eight hundred sixty-seven million, five hundred nine thousand, three hundred sixty-one".