268880831 has 2 divisors, whose sum is σ = 268880832. Its totient is φ = 268880830.

The previous prime is 268880809. The next prime is 268880839. The reversal of 268880831 is 138088862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268880831 - 2⁶ = 268880767 is a prime.

It is a super-2 number, since 2×268880831² = 144593802558501122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268880839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134440415 + 134440416.

It is an arithmetic number, because the mean of its divisors is an integer number (134440416).

Almost surely, 2^268880831 is an apocalyptic number.

268880831 is a deficient number, since it is larger than the sum of its proper divisors (1).

268880831 is an equidigital number, since it uses as much as digits as its factorization.

268880831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 268880831 is about 16397.5861333307. The cubic root of 268880831 is about 645.4361419320.

The spelling of 268880831 in words is "two hundred sixty-eight million, eight hundred eighty thousand, eight hundred thirty-one".