867950059697 has 4 divisors (see below), whose sum is σ = 991942925376. Its totient is φ = 743957194020.

The previous prime is 867950059681. The next prime is 867950059703. The reversal of 867950059697 is 796950059768.

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 867950059697 - 2⁴ = 867950059681 is a prime.

It is a super-2 number, since 2×867950059697² (a number of 25 digits) 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 867950059697.

It is not an unprimeable number, because it can be changed into a prime (867950059667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61996432829 + ... + 61996432842.

It is an arithmetic number, because the mean of its divisors is an integer number (247985731344).

Almost surely, 2^867950059697 is an apocalyptic number.

It is an amenable number.

867950059697 is a deficient number, since it is larger than the sum of its proper divisors (123992865679).

867950059697 is a wasteful number, since it uses less digits than its factorization.

867950059697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123992865678.

The product of its (nonzero) digits is 257191200, while the sum is 71.

Adding to 867950059697 its sum of digits (71), we get a palindrome (867950059768).

The spelling of 867950059697 in words is "eight hundred sixty-seven billion, nine hundred fifty million, fifty-nine thousand, six hundred ninety-seven".