83563919998 has 8 divisors (see below), whose sum is σ = 134987870808. Its totient is φ = 38567963064.

The previous prime is 83563919963. The next prime is 83563920001. The reversal of 83563919998 is 89991936538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606998436 + ... + 1606998487.

It is an arithmetic number, because the mean of its divisors is an integer number (16873483851).

Almost surely, 2^83563919998 is an apocalyptic number.

83563919998 is a deficient number, since it is larger than the sum of its proper divisors (51423950810).

83563919998 is a wasteful number, since it uses less digits than its factorization.

83563919998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213996938.

The product of its digits is 113374080, while the sum is 70.

The spelling of 83563919998 in words is "eighty-three billion, five hundred sixty-three million, nine hundred nineteen thousand, nine hundred ninety-eight".