1678828983 has 32 divisors (see below), whose sum is σ = 2474438400. Its totient is φ = 1006131456.

The previous prime is 1678828981. The next prime is 1678829003. The reversal of 1678828983 is 3898288761.

It is not a de Polignac number, because 1678828983 - 2¹ = 1678828981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678828981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228948 + ... + 236166.

It is an arithmetic number, because the mean of its divisors is an integer number (77326200).

Almost surely, 2^1678828983 is an apocalyptic number.

1678828983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1678828983 is a deficient number, since it is larger than the sum of its proper divisors (795609417).

1678828983 is a wasteful number, since it uses less digits than its factorization.

1678828983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391.

The product of its digits is 9289728, while the sum is 60.

The square root of 1678828983 is about 40973.5156290011. The cubic root of 1678828983 is about 1188.5081186677.

The spelling of 1678828983 in words is "one billion, six hundred seventy-eight million, eight hundred twenty-eight thousand, nine hundred eighty-three".