863379469922 has 18 divisors (see below), whose sum is σ = 1316770142337. Its totient is φ = 424573432200.

The previous prime is 863379469903. The next prime is 863379469937. The reversal of 863379469922 is 229964973368.

It can be written as a sum of positive squares in 2 ways, for example, as 584828797081 + 278550672841 = 764741^2 + 527779^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=657031.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 80152397 + ... + 80163167.

Almost surely, 2^863379469922 is an apocalyptic number.

863379469922 is a deficient number, since it is larger than the sum of its proper divisors (453390672415).

863379469922 is an frugal number, since it uses more digits than its factorization.

863379469922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21666 (or 10834 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 68.

The spelling of 863379469922 in words is "eight hundred sixty-three billion, three hundred seventy-nine million, four hundred sixty-nine thousand, nine hundred twenty-two".