1678983135 has 32 divisors (see below), whose sum is σ = 2722906560. Its totient is φ = 883353600.

The previous prime is 1678983071. The next prime is 1678983139. The reversal of 1678983135 is 5313898761.

It is not a de Polignac number, because 1678983135 - 2⁶ = 1678983071 is a prime.

It is a super-2 number, since 2×1678983135² = 5637968735228856450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678983139) 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 31 ways as a sum of consecutive naturals, for example, 391905 + ... + 396165.

It is an arithmetic number, because the mean of its divisors is an integer number (85090830).

Almost surely, 2^1678983135 is an apocalyptic number.

1678983135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1678983135 is a deficient number, since it is larger than the sum of its proper divisors (1043923425).

1678983135 is a wasteful number, since it uses less digits than its factorization.

1678983135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619.

The product of its digits is 1088640, while the sum is 51.

The square root of 1678983135 is about 40975.3967033878. The cubic root of 1678983135 is about 1188.5444942800.

The spelling of 1678983135 in words is "one billion, six hundred seventy-eight million, nine hundred eighty-three thousand, one hundred thirty-five".