83936021302663 has 4 divisors (see below), whose sum is σ = 83936260128888. Its totient is φ = 83935782476440.

The previous prime is 83936021302657. The next prime is 83936021302697. The reversal of 83936021302663 is 36620312063938.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83936021302663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83936021302663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83936021002663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118885156 + ... + 119589097.

It is an arithmetic number, because the mean of its divisors is an integer number (20984065032222).

Almost surely, 2^{83936021302663} is an apocalyptic number.

83936021302663 is a deficient number, since it is larger than the sum of its proper divisors (238826225).

83936021302663 is a wasteful number, since it uses less digits than its factorization.

83936021302663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238826224.

The product of its (nonzero) digits is 5038848, while the sum is 52.

The spelling of 83936021302663 in words is "eighty-three trillion, nine hundred thirty-six billion, twenty-one million, three hundred two thousand, six hundred sixty-three".