867698896221 has 24 divisors (see below), whose sum is σ = 1347378664320. Its totient is φ = 536360342976.

The previous prime is 867698896219. The next prime is 867698896223. The reversal of 867698896221 is 122698896768.

867698896221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (867698896219) and next prime (867698896223).

It is not a de Polignac number, because 867698896221 - 2¹ = 867698896219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 867698896221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867698896223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53973480 + ... + 53989553.

It is an arithmetic number, because the mean of its divisors is an integer number (56140777680).

Almost surely, 2^867698896221 is an apocalyptic number.

It is an amenable number.

867698896221 is a deficient number, since it is larger than the sum of its proper divisors (479679768099).

867698896221 is a wasteful number, since it uses less digits than its factorization.

867698896221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107963105 (or 107963102 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 72.

The spelling of 867698896221 in words is "eight hundred sixty-seven billion, six hundred ninety-eight million, eight hundred ninety-six thousand, two hundred twenty-one".