63827000185 has 16 divisors (see below), whose sum is σ = 82489783824. Its totient is φ = 47130550272.

The previous prime is 63827000147. The next prime is 63827000201. The reversal of 63827000185 is 58100072836.

63827000185 = 178643² + 178644².

It can be written as a sum of positive squares in 8 ways, for example, as 3788279401 + 60038720784 = 61549^2 + 245028^2 .

It is not a de Polignac number, because 63827000185 - 2²⁵ = 63793445753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1362309 + ... + 1408381.

It is an arithmetic number, because the mean of its divisors is an integer number (5155611489).

Almost surely, 2^63827000185 is an apocalyptic number.

63827000185 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63827000185 is the 178644-th centered square number.

It is an amenable number.

63827000185 is a deficient number, since it is larger than the sum of its proper divisors (18662783639).

63827000185 is a wasteful number, since it uses less digits than its factorization.

63827000185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67404.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 63827000185 in words is "sixty-three billion, eight hundred twenty-seven million, one hundred eighty-five", and thus it is an aban number.