867120022961 has 4 divisors (see below), whose sum is σ = 867443216112. Its totient is φ = 866796829812.

The previous prime is 867120022939. The next prime is 867120022969. The reversal of 867120022961 is 169220021768.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 867120022961 - 2³⁸ = 592242116017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867120022969) 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, 161592551 + ... + 161597916.

It is an arithmetic number, because the mean of its divisors is an integer number (216860804028).

Almost surely, 2^867120022961 is an apocalyptic number.

It is an amenable number.

867120022961 is a deficient number, since it is larger than the sum of its proper divisors (323193151).

867120022961 is a wasteful number, since it uses less digits than its factorization.

867120022961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323193150.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 867120022961 in words is "eight hundred sixty-seven billion, one hundred twenty million, twenty-two thousand, nine hundred sixty-one".