268815086 has 8 divisors (see below), whose sum is σ = 405791400. Its totient is φ = 133551288.

The previous prime is 268815083. The next prime is 268815091. The reversal of 268815086 is 680518862.

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

It is a super-2 number, since 2×268815086² = 144523100922374792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268815083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427736 + ... + 428363.

It is an arithmetic number, because the mean of its divisors is an integer number (50723925).

Almost surely, 2^268815086 is an apocalyptic number.

268815086 is a deficient number, since it is larger than the sum of its proper divisors (136976314).

268815086 is a wasteful number, since it uses less digits than its factorization.

268815086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856258.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 268815086 is about 16395.5812949709. The cubic root of 268815086 is about 645.3835316882.

The spelling of 268815086 in words is "two hundred sixty-eight million, eight hundred fifteen thousand, eighty-six".