867606681 has 8 divisors (see below), whose sum is σ = 1156992544. Its totient is φ = 578312640.

The previous prime is 867606653. The next prime is 867606683. The reversal of 867606681 is 186606768.

867606681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 867606681 - 2¹⁵ = 867573913 is a prime.

It is a super-2 number, since 2×867606681² = 1505482705831671522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 867606681.

It is not an unprimeable number, because it can be changed into a prime (867606683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3426 + ... + 41796.

It is an arithmetic number, because the mean of its divisors is an integer number (144624068).

Almost surely, 2^867606681 is an apocalyptic number.

It is an amenable number.

867606681 is a deficient number, since it is larger than the sum of its proper divisors (289385863).

867606681 is a wasteful number, since it uses less digits than its factorization.

867606681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45911.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 867606681 is about 29455.1639105947. The cubic root of 867606681 is about 953.7640805201.

The spelling of 867606681 in words is "eight hundred sixty-seven million, six hundred six thousand, six hundred eighty-one".