867533980651 has 8 divisors (see below), whose sum is σ = 939667755600. Its totient is φ = 796171690272.

The previous prime is 867533980639. The next prime is 867533980673. The reversal of 867533980651 is 156089335768.

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 867533980651 - 2⁵ = 867533980619 is a prime.

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 867533980651.

It is not an unprimeable number, because it can be changed into a prime (867533980681) 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, 192868801 + ... + 192873298.

It is an arithmetic number, because the mean of its divisors is an integer number (117458469450).

Almost surely, 2^867533980651 is an apocalyptic number.

867533980651 is a deficient number, since it is larger than the sum of its proper divisors (72133774949).

867533980651 is a wasteful number, since it uses less digits than its factorization.

867533980651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385742285.

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 867533980651 in words is "eight hundred sixty-seven billion, five hundred thirty-three million, nine hundred eighty thousand, six hundred fifty-one".