83563919896 has 8 divisors (see below), whose sum is σ = 156682349820. Its totient is φ = 41781959944.

The previous prime is 83563919851. The next prime is 83563919899. The reversal of 83563919896 is 69891936538.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83563919899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222744986 + ... + 5222745001.

Almost surely, 2^83563919896 is an apocalyptic number.

It is an amenable number.

83563919896 is a deficient number, since it is larger than the sum of its proper divisors (73118429924).

83563919896 is a wasteful number, since it uses less digits than its factorization.

83563919896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10445489993 (or 10445489989 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 67.

The spelling of 83563919896 in words is "eighty-three billion, five hundred sixty-three million, nine hundred nineteen thousand, eight hundred ninety-six".