1678008080 has 40 divisors (see below), whose sum is σ = 4458708672. Its totient is φ = 575316864.

The previous prime is 1678008067. The next prime is 1678008089. The reversal of 1678008080 is 808008761.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1678008080² = 5631422233090572800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1678008089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497662 + ... + 1498781.

Almost surely, 2^1678008080 is an apocalyptic number.

1678008080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1678008080 is an abundant number, since it is smaller than the sum of its proper divisors (2780700592).

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

1678008080 is a wasteful number, since it uses less digits than its factorization.

1678008080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996463 (or 2996457 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1678008080 is about 40963.4969210393. The cubic root of 1678008080 is about 1188.3143707328.

The spelling of 1678008080 in words is "one billion, six hundred seventy-eight million, eight thousand, eighty".