1979671208 has 32 divisors (see below), whose sum is σ = 3808978560. Its totient is φ = 964145280.

The previous prime is 1979671207. The next prime is 1979671229. The reversal of 1979671208 is 8021769791.

It is not an unprimeable number, because it can be changed into a prime (1979671207) 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 7 ways as a sum of consecutive naturals, for example, 66860 + ... + 91812.

It is an arithmetic number, because the mean of its divisors is an integer number (119030580).

Almost surely, 2^1979671208 is an apocalyptic number.

It is an amenable number.

1979671208 is a deficient number, since it is larger than the sum of its proper divisors (1829307352).

1979671208 is a wasteful number, since it uses less digits than its factorization.

1979671208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25217 (or 25213 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 50.

The square root of 1979671208 is about 44493.4962438332. The cubic root of 1979671208 is about 1255.6377256525.

The spelling of 1979671208 in words is "one billion, nine hundred seventy-nine million, six hundred seventy-one thousand, two hundred eight".