83827776001 has 4 divisors (see below), whose sum is σ = 83956149972. Its totient is φ = 83699402032.

The previous prime is 83827775989. The next prime is 83827776007. The reversal of 83827776001 is 10067772838.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52842975376 + 30984800625 = 229876^2 + 176025^2 .

It is a cyclic number.

It is not a de Polignac number, because 83827776001 - 2¹³ = 83827767809 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83827776007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 64186006 + ... + 64187311.

It is an arithmetic number, because the mean of its divisors is an integer number (20989037493).

Almost surely, 2^83827776001 is an apocalyptic number.

It is an amenable number.

83827776001 is a deficient number, since it is larger than the sum of its proper divisors (128373971).

83827776001 is a wasteful number, since it uses less digits than its factorization.

83827776001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128373970.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 83827776001 in words is "eighty-three billion, eight hundred twenty-seven million, seven hundred seventy-six thousand, one".