263876073648 has 80 divisors (see below), whose sum is σ = 767639534592. Its totient is φ = 77383008000.

The previous prime is 263876073647. The next prime is 263876073661. The reversal of 263876073648 is 846370678362.

263876073648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 263876073591 and 263876073600.

It is not an unprimeable number, because it can be changed into a prime (263876073647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8044363 + ... + 8077098.

Almost surely, 2^263876073648 is an apocalyptic number.

It is an amenable number.

263876073648 is an abundant number, since it is smaller than the sum of its proper divisors (503763460944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263876073648 is a wasteful number, since it uses less digits than its factorization.

263876073648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16121514 (or 16121508 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 60.

The spelling of 263876073648 in words is "two hundred sixty-three billion, eight hundred seventy-six million, seventy-three thousand, six hundred forty-eight".