82980635 has 4 divisors (see below), whose sum is σ = 99576768. Its totient is φ = 66384504.

The previous prime is 82980631. The next prime is 82980643. The reversal of 82980635 is 53608928.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82980635 - 2² = 82980631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82980592 and 82980601.

It is not an unprimeable number, because it can be changed into a prime (82980631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8298059 + ... + 8298068.

It is an arithmetic number, because the mean of its divisors is an integer number (24894192).

Almost surely, 2^82980635 is an apocalyptic number.

82980635 is a deficient number, since it is larger than the sum of its proper divisors (16596133).

82980635 is a wasteful number, since it uses less digits than its factorization.

82980635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16596132.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 82980635 is about 9109.3707246988. The cubic root of 82980635 is about 436.1731402102.

The spelling of 82980635 in words is "eighty-two million, nine hundred eighty thousand, six hundred thirty-five".