863479341522 has 162 divisors, whose sum is σ = 2214028525527. Its totient is φ = 242505769968.

The previous prime is 863479341467. The next prime is 863479341523. The reversal of 863479341522 is 225143974368.

863479341522 is a `hidden beast` number, since 8 + 6 + 3 + 4 + 79 + 3 + 41 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 431739670761 + 431739670761 = 657069^2 + 657069^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=657069.

It is not an unprimeable number, because it can be changed into a prime (863479341523) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1848991933 + ... + 1848992399.

Almost surely, 2^863479341522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863479341522

863479341522 is an abundant number, since it is smaller than the sum of its proper divisors (1350549184005).

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

863479341522 is an equidigital number, since it uses as much as digits as its factorization.

863479341522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 546 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 863479341522 in words is "eight hundred sixty-three billion, four hundred seventy-nine million, three hundred forty-one thousand, five hundred twenty-two".