83087217952851 has 32 divisors (see below), whose sum is σ = 130447178201088. Its totient is φ = 46057007969280.

The previous prime is 83087217952841. The next prime is 83087217952891. The reversal of 83087217952851 is 15825971278038.

It is a happy number.

It is not a de Polignac number, because 83087217952851 - 2⁹ = 83087217952339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83087217952841) 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 in 31 ways as a sum of consecutive naturals, for example, 372373330 + ... + 372596391.

It is an arithmetic number, because the mean of its divisors is an integer number (4076474318784).

Almost surely, 2^{83087217952851} is an apocalyptic number.

83087217952851 is a deficient number, since it is larger than the sum of its proper divisors (47359960248237).

83087217952851 is a wasteful number, since it uses less digits than its factorization.

83087217952851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744969891.

The product of its (nonzero) digits is 67737600, while the sum is 66.

The spelling of 83087217952851 in words is "eighty-three trillion, eighty-seven billion, two hundred seventeen million, nine hundred fifty-two thousand, eight hundred fifty-one".