204980679 has 32 divisors (see below), whose sum is σ = 326854080. Its totient is φ = 126489600.

The previous prime is 204980663. The next prime is 204980693. The reversal of 204980679 is 976089402.

It is a happy number.

It is not a de Polignac number, because 204980679 - 2⁴ = 204980663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204980639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24339 + ... + 31659.

It is an arithmetic number, because the mean of its divisors is an integer number (10214190).

Almost surely, 2^204980679 is an apocalyptic number.

204980679 is a deficient number, since it is larger than the sum of its proper divisors (121873401).

204980679 is a wasteful number, since it uses less digits than its factorization.

204980679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408 (or 7402 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 204980679 is about 14317.1463287905. The cubic root of 204980679 is about 589.6183292302.

It can be divided in two parts, 2049 and 80679, that added together give a palindrome (82728).

The spelling of 204980679 in words is "two hundred four million, nine hundred eighty thousand, six hundred seventy-nine".