256341500767 has 8 divisors (see below), whose sum is σ = 281261722320. Its totient is φ = 231690687360.

The previous prime is 256341500729. The next prime is 256341500777. The reversal of 256341500767 is 767005143652.

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

It is not a de Polignac number, because 256341500767 - 2²³ = 256333112159 is a prime.

It is a super-3 number, since 3×256341500767³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256341500777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67350042 + ... + 67353847.

It is an arithmetic number, because the mean of its divisors is an integer number (35157715290).

Almost surely, 2^256341500767 is an apocalyptic number.

256341500767 is a deficient number, since it is larger than the sum of its proper divisors (24920221553).

256341500767 is a wasteful number, since it uses less digits than its factorization.

256341500767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134704073.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 256341500767 in words is "two hundred fifty-six billion, three hundred forty-one million, five hundred thousand, seven hundred sixty-seven".