256483334277 has 40 divisors (see below), whose sum is σ = 387012866240. Its totient is φ = 169262602560.

The previous prime is 256483334221. The next prime is 256483334329. The reversal of 256483334277 is 772433384652.

256483334277 is a `hidden beast` number, since 2 + 56 + 483 + 3 + 3 + 42 + 77 = 666.

It is not a de Polignac number, because 256483334277 - 2¹⁵ = 256483301509 is a prime.

It is a super-2 number, since 2×256483334277² (a number of 24 digits) contains 22 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 (256483334077) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30789849 + ... + 30798177.

It is an arithmetic number, because the mean of its divisors is an integer number (9675321656).

Almost surely, 2^256483334277 is an apocalyptic number.

256483334277 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

256483334277 is a deficient number, since it is larger than the sum of its proper divisors (130529531963).

256483334277 is a wasteful number, since it uses less digits than its factorization.

256483334277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12135 (or 12126 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 54.

The spelling of 256483334277 in words is "two hundred fifty-six billion, four hundred eighty-three million, three hundred thirty-four thousand, two hundred seventy-seven".