268787045 has 8 divisors (see below), whose sum is σ = 327832440. Its totient is φ = 211504320.

The previous prime is 268787027. The next prime is 268787063. The reversal of 268787045 is 540787862.

It is an interprime number because it is at equal distance from previous prime (268787027) and next prime (268787063).

It can be written as a sum of positive squares in 4 ways, for example, as 10252804 + 258534241 = 3202^2 + 16079^2 .

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

It is not a de Polignac number, because 268787045 - 2¹⁴ = 268770661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440330 + ... + 440939.

It is an arithmetic number, because the mean of its divisors is an integer number (40979055).

Almost surely, 2^268787045 is an apocalyptic number.

It is an amenable number.

268787045 is a deficient number, since it is larger than the sum of its proper divisors (59045395).

268787045 is an equidigital number, since it uses as much as digits as its factorization.

268787045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881335.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 268787045 is about 16394.7261337297. The cubic root of 268787045 is about 645.3610902035.

The spelling of 268787045 in words is "two hundred sixty-eight million, seven hundred eighty-seven thousand, forty-five".