1985194063277 has 8 divisors (see below), whose sum is σ = 2033639721792. Its totient is φ = 1936749656800.

The previous prime is 1985194063267. The next prime is 1985194063339. The reversal of 1985194063277 is 7723604915891.

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 1985194063277 - 2¹² = 1985194059181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985194063267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438902 + ... + 3974472.

It is an arithmetic number, because the mean of its divisors is an integer number (254204965224).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1985194063277 = 3970388126554, but 3⋅1985194063277 = 5955582189831 is not.

Almost surely, 2^{1985194063277} is an apocalyptic number.

It is an amenable number.

1985194063277 is a deficient number, since it is larger than the sum of its proper divisors (48445658515).

1985194063277 is an equidigital number, since it uses as much as digits as its factorization.

1985194063277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626019.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 1985194063277 in words is "one trillion, nine hundred eighty-five billion, one hundred ninety-four million, sixty-three thousand, two hundred seventy-seven".