869622821360 has 40 divisors (see below), whose sum is σ = 2091592825920. Its totient is φ = 335854330112.

The previous prime is 869622821357. The next prime is 869622821381. The reversal of 869622821360 is 63128226968.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187416392 + ... + 187421031.

It is an arithmetic number, because the mean of its divisors is an integer number (52289820648).

Almost surely, 2^869622821360 is an apocalyptic number.

869622821360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

869622821360 is an abundant number, since it is smaller than the sum of its proper divisors (1221970004560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869622821360 is a wasteful number, since it uses less digits than its factorization.

869622821360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374837465 (or 374837459 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 869622821360 in words is "eight hundred sixty-nine billion, six hundred twenty-two million, eight hundred twenty-one thousand, three hundred sixty".