268015979 has 8 divisors (see below), whose sum is σ = 334149888. Its totient is φ = 208843560.

The previous prime is 268015973. The next prime is 268016009. The reversal of 268015979 is 979510862.

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 268015979 - 2⁸ = 268015723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268015973) 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, 1740287 + ... + 1740440.

It is an arithmetic number, because the mean of its divisors is an integer number (41768736).

Almost surely, 2^268015979 is an apocalyptic number.

268015979 is a deficient number, since it is larger than the sum of its proper divisors (66133909).

268015979 is a wasteful number, since it uses less digits than its factorization.

268015979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480745.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 268015979 is about 16371.1935728584. The cubic root of 268015979 is about 644.7433860912.

The spelling of 268015979 in words is "two hundred sixty-eight million, fifteen thousand, nine hundred seventy-nine".