827947354705 has 8 divisors (see below), whose sum is σ = 1007146919592. Its totient is φ = 653284487808.

The previous prime is 827947354691. The next prime is 827947354727. The reversal of 827947354705 is 507453749728.

It can be written as a sum of positive squares in 4 ways, for example, as 274362249616 + 553585105089 = 523796^2 + 744033^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 827947354705 - 2¹⁷ = 827947223633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134174094 + ... + 1134174823.

It is an arithmetic number, because the mean of its divisors is an integer number (125893364949).

Almost surely, 2^827947354705 is an apocalyptic number.

It is an amenable number.

827947354705 is a deficient number, since it is larger than the sum of its proper divisors (179199564887).

827947354705 is a wasteful number, since it uses less digits than its factorization.

827947354705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268348995.

The product of its (nonzero) digits is 59270400, while the sum is 61.

The spelling of 827947354705 in words is "eight hundred twenty-seven billion, nine hundred forty-seven million, three hundred fifty-four thousand, seven hundred five".