1677327401 has 4 divisors (see below), whose sum is σ = 1722660612. Its totient is φ = 1631994192.

The previous prime is 1677327397. The next prime is 1677327403. The reversal of 1677327401 is 1047237761.

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 1497767401 + 179560000 = 38701^2 + 13400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1677327401 - 2² = 1677327397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1677327403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22666550 + ... + 22666623.

It is an arithmetic number, because the mean of its divisors is an integer number (430665153).

Almost surely, 2^1677327401 is an apocalyptic number.

It is an amenable number.

1677327401 is a deficient number, since it is larger than the sum of its proper divisors (45333211).

1677327401 is an equidigital number, since it uses as much as digits as its factorization.

1677327401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45333210.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 1677327401 is about 40955.1877177971. The cubic root of 1677327401 is about 1188.1536702685.

The spelling of 1677327401 in words is "one billion, six hundred seventy-seven million, three hundred twenty-seven thousand, four hundred one".