1677232385 has 12 divisors (see below), whose sum is σ = 2067762324. Its totient is φ = 1305087840.

The previous prime is 1677232369. The next prime is 1677232397. The reversal of 1677232385 is 5832327761.

It can be written as a sum of positive squares in 2 ways, for example, as 1097000641 + 580231744 = 33121^2 + 24088^2 .

It is not a de Polignac number, because 1677232385 - 2⁴ = 1677232369 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 11 ways as a sum of consecutive naturals, for example, 555530 + ... + 558540.

It is an arithmetic number, because the mean of its divisors is an integer number (172313527).

Almost surely, 2^1677232385 is an apocalyptic number.

It is an amenable number.

1677232385 is a deficient number, since it is larger than the sum of its proper divisors (390529939).

1677232385 is an frugal number, since it uses more digits than its factorization.

1677232385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064 (or 3053 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 1677232385 is about 40954.0277018024. The cubic root of 1677232385 is about 1188.1312346285.

The spelling of 1677232385 in words is "one billion, six hundred seventy-seven million, two hundred thirty-two thousand, three hundred eighty-five".