268156089277 has 16 divisors (see below), whose sum is σ = 283850680960. Its totient is φ = 252620716032.

The previous prime is 268156089247. The next prime is 268156089347. The reversal of 268156089277 is 772980651862.

It is a cyclic number.

It is not a de Polignac number, because 268156089277 - 2²⁷ = 268021871549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268156089247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9582568 + ... + 9610510.

It is an arithmetic number, because the mean of its divisors is an integer number (17740667560).

Almost surely, 2^268156089277 is an apocalyptic number.

It is an amenable number.

268156089277 is a deficient number, since it is larger than the sum of its proper divisors (15694591683).

268156089277 is a wasteful number, since it uses less digits than its factorization.

268156089277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30772.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 268156089277 in words is "two hundred sixty-eight billion, one hundred fifty-six million, eighty-nine thousand, two hundred seventy-seven".