867609797 has 8 divisors (see below), whose sum is σ = 872079936. Its totient is φ = 863150112.

The previous prime is 867609793. The next prime is 867609823. The reversal of 867609797 is 797906768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 867609797 - 2² = 867609793 is a prime.

It is a super-3 number, since 3×867609797³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867609793) 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, 203633 + ... + 207849.

It is an arithmetic number, because the mean of its divisors is an integer number (109009992).

Almost surely, 2^867609797 is an apocalyptic number.

It is an amenable number.

867609797 is a deficient number, since it is larger than the sum of its proper divisors (4470139).

867609797 is a wasteful number, since it uses less digits than its factorization.

867609797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The square root of 867609797 is about 29455.2168044983. The cubic root of 867609797 is about 953.7652223299.

The spelling of 867609797 in words is "eight hundred sixty-seven million, six hundred nine thousand, seven hundred ninety-seven".