256760027 has 6 divisors (see below), whose sum is σ = 272752308. Its totient is φ = 241656224.

The previous prime is 256760003. The next prime is 256760047. The reversal of 256760027 is 720067652.

It is a happy number.

It is not a de Polignac number, because 256760027 - 2¹⁶ = 256694491 is a prime.

It is a super-2 number, since 2×256760027² = 131851422930081458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256760047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 443933 + ... + 444510.

It is an arithmetic number, because the mean of its divisors is an integer number (45458718).

Almost surely, 2^256760027 is an apocalyptic number.

256760027 is a deficient number, since it is larger than the sum of its proper divisors (15992281).

256760027 is an equidigital number, since it uses as much as digits as its factorization.

256760027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888477 (or 888460 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 256760027 is about 16023.7332416638. The cubic root of 256760027 is about 635.5881685383.

The spelling of 256760027 in words is "two hundred fifty-six million, seven hundred sixty thousand, twenty-seven".