83563647532 has 24 divisors (see below), whose sum is σ = 148121114400. Its totient is φ = 41244863616.

The previous prime is 83563647529. The next prime is 83563647533. The reversal of 83563647532 is 23574636538.

It is a self number, because there is not a number n which added to its sum of digits gives 83563647532.

It is not an unprimeable number, because it can be changed into a prime (83563647533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26769 + ... + 409687.

It is an arithmetic number, because the mean of its divisors is an integer number (6171713100).

Almost surely, 2^83563647532 is an apocalyptic number.

It is an amenable number.

83563647532 is a deficient number, since it is larger than the sum of its proper divisors (64557466868).

83563647532 is a wasteful number, since it uses less digits than its factorization.

83563647532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383625 (or 383623 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 52.

The spelling of 83563647532 in words is "eighty-three billion, five hundred sixty-three million, six hundred forty-seven thousand, five hundred thirty-two".