1982082979 has 8 divisors (see below), whose sum is σ = 2029547520. Its totient is φ = 1934680776.

The previous prime is 1982082913. The next prime is 1982082997. The reversal of 1982082979 is 9792802891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1982082979 - 2⁹ = 1982082467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1982082779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52254 + ... + 81820.

It is an arithmetic number, because the mean of its divisors is an integer number (253693440).

Almost surely, 2^1982082979 is an apocalyptic number.

1982082979 is a deficient number, since it is larger than the sum of its proper divisors (47464541).

1982082979 is a wasteful number, since it uses less digits than its factorization.

1982082979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31169.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 1982082979 is about 44520.5905059670. The cubic root of 1982082979 is about 1256.1474200078.

The spelling of 1982082979 in words is "one billion, nine hundred eighty-two million, eighty-two thousand, nine hundred seventy-nine".