83084815018787 has 4 divisors (see below), whose sum is σ = 83179122414696. Its totient is φ = 82990507622880.

The previous prime is 83084815018783. The next prime is 83084815018837. The reversal of 83084815018787 is 78781051848038.

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

It is a cyclic number.

It is not a de Polignac number, because 83084815018787 - 2² = 83084815018783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83084815018783) 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, 47153696633 + ... + 47153698394.

It is an arithmetic number, because the mean of its divisors is an integer number (20794780603674).

Almost surely, 2^{83084815018787} is an apocalyptic number.

83084815018787 is a deficient number, since it is larger than the sum of its proper divisors (94307395909).

83084815018787 is an equidigital number, since it uses as much as digits as its factorization.

83084815018787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94307395908.

The product of its (nonzero) digits is 96337920, while the sum is 68.

The spelling of 83084815018787 in words is "eighty-three trillion, eighty-four billion, eight hundred fifteen million, eighteen thousand, seven hundred eighty-seven".