1677206028 has 12 divisors (see below), whose sum is σ = 3913480760. Its totient is φ = 559068672.

The previous prime is 1677206021. The next prime is 1677206033. The reversal of 1677206028 is 8206027761.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1677206021) 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, 69883573 + ... + 69883596.

Almost surely, 2^1677206028 is an apocalyptic number.

It is an amenable number.

1677206028 is an abundant number, since it is smaller than the sum of its proper divisors (2236274732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1677206028 is a wasteful number, since it uses less digits than its factorization.

1677206028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139767176 (or 139767174 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 1677206028 is about 40953.7059128963. The cubic root of 1677206028 is about 1188.1250109354.

The spelling of 1677206028 in words is "one billion, six hundred seventy-seven million, two hundred six thousand, twenty-eight".